20199371940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{181}}^1\times {\mathrm{359}}^1$

素因数の和:723

約数の個数: 288

約数和(自身を含む): 67827352320

約数和(自身を除く): 47627980380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 157, 165, 180, 181, 198, 220, 314, 330, 359, 362, 396, 471, 495, 543, 628, 660, 718, 724, 785, 905, 942, 990, 1077, 1086, 1413, 1436, 1570, 1629, 1727, 1795, 1810, 1884, 1980, 1991, 2154, 2172, 2355, 2715, 2826, 3140, 3231, 3258, 3454, 3590, 3620, 3949, 3982, 4308, 4710, 5181, 5385, 5430, 5652, 5973, 6462, 6516, 6908, 7065, 7180, 7898, 7964, 8145, 8635, 9420, 9955, 10362, 10770, 10860, 11847, 11946, 12924, 14130, 15543, 15796, 16155, 16290, 17270, 17919, 19745, 19910, 20724, 21540, 23694, 23892, 25905, 28260, 28417, 29865, 31086, 32310, 32580, 34540, 35541, 35838, 39490, 39820, 47388, 51810, 56363, 56834, 59235, 59730, 62172, 64620, 64979, 71082, 71676, 77715, 78980, 85251, 89595, 103620, 112726, 113668, 118470, 119460, 129958, 142085, 142164, 155430, 169089, 170502, 177705, 179190, 194937, 225452, 236940, 255753, 259916, 281815, 284170, 310860, 312587, 324895, 338178, 341004, 355410, 358380, 389874, 426255, 507267, 511506, 563630, 568340, 584811, 619993, 625174, 649790, 676356, 710820, 714769, 779748, 845445, 852510, 937761, 974685, 1014534, 1023012, 1127260, 1169622, 1239986, 1250348, 1278765, 1299580, 1429538, 1562935, 1690890, 1705020, 1859979, 1875522, 1949370, 2029068, 2144307, 2339244, 2479972, 2536335, 2557530, 2813283, 2859076, 2924055, 3099965, 3125870, 3381780, 3573845, 3719958, 3751044, 3898740, 4288614, 4688805, 5072670, 5115060, 5579937, 5626566, 5848110, 6199930, 6251740, 6432921, 7147690, 7439916, 8577228, 9299895, 9377610, 10145340, 10201703, 10721535, 11159874, 11253132, 11696220, 12399860, 12865842, 14066415, 14295380, 18599790, 18755220, 20403406, 21443070, 22319748, 25731684, 27899685, 28132830, 30605109, 32164605, 37199580, 40806812, 42886140, 51008515, 55799370, 56265660, 61210218, 64329210, 91815327, 102017030, 111598740, 112218733, 122420436, 128658420, 153025545, 183630654, 204034060, 224437466, 306051090, 336656199, 367261308, 448874932, 459076635, 561093665, 612102180, 673312398, 918153270, 1009968597, 1122187330, 1346624796, 1683280995, 1836306540, 2019937194, 2244374660, 3366561990, 4039874388, 5049842985, 6733123980, 10099685970, 20199371940]

約数ペア:

[(1, 20199371940), (2, 10099685970), (3, 6733123980), (4, 5049842985), (5, 4039874388), (6, 3366561990), (9, 2244374660), (10, 2019937194), (11, 1836306540), (12, 1683280995), (15, 1346624796), (18, 1122187330), (20, 1009968597), (22, 918153270), (30, 673312398), (33, 612102180), (36, 561093665), (44, 459076635), (45, 448874932), (55, 367261308), (60, 336656199), (66, 306051090), (90, 224437466), (99, 204034060), (110, 183630654), (132, 153025545), (157, 128658420), (165, 122420436), (180, 112218733), (181, 111598740), (198, 102017030), (220, 91815327), (314, 64329210), (330, 61210218), (359, 56265660), (362, 55799370), (396, 51008515), (471, 42886140), (495, 40806812), (543, 37199580), (628, 32164605), (660, 30605109), (718, 28132830), (724, 27899685), (785, 25731684), (905, 22319748), (942, 21443070), (990, 20403406), (1077, 18755220), (1086, 18599790), (1413, 14295380), (1436, 14066415), (1570, 12865842), (1629, 12399860), (1727, 11696220), (1795, 11253132), (1810, 11159874), (1884, 10721535), (1980, 10201703), (1991, 10145340), (2154, 9377610), (2172, 9299895), (2355, 8577228), (2715, 7439916), (2826, 7147690), (3140, 6432921), (3231, 6251740), (3258, 6199930), (3454, 5848110), (3590, 5626566), (3620, 5579937), (3949, 5115060), (3982, 5072670), (4308, 4688805), (4710, 4288614), (5181, 3898740), (5385, 3751044), (5430, 3719958), (5652, 3573845), (5973, 3381780), (6462, 3125870), (6516, 3099965), (6908, 2924055), (7065, 2859076), (7180, 2813283), (7898, 2557530), (7964, 2536335), (8145, 2479972), (8635, 2339244), (9420, 2144307), (9955, 2029068), (10362, 1949370), (10770, 1875522), (10860, 1859979), (11847, 1705020), (11946, 1690890), (12924, 1562935), (14130, 1429538), (15543, 1299580), (15796, 1278765), (16155, 1250348), (16290, 1239986), (17270, 1169622), (17919, 1127260), (19745, 1023012), (19910, 1014534), (20724, 974685), (21540, 937761), (23694, 852510), (23892, 845445), (25905, 779748), (28260, 714769), (28417, 710820), (29865, 676356), (31086, 649790), (32310, 625174), (32580, 619993), (34540, 584811), (35541, 568340), (35838, 563630), (39490, 511506), (39820, 507267), (47388, 426255), (51810, 389874), (56363, 358380), (56834, 355410), (59235, 341004), (59730, 338178), (62172, 324895), (64620, 312587), (64979, 310860), (71082, 284170), (71676, 281815), (77715, 259916), (78980, 255753), (85251, 236940), (89595, 225452), (103620, 194937), (112726, 179190), (113668, 177705), (118470, 170502), (119460, 169089), (129958, 155430), (142085, 142164)]