20195631540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{163}}^1\times {\mathrm{919}}^1$

素因数の和:1211

約数の個数: 288

約数和(自身を含む): 71176734720

約数和(自身を除く): 50981103180

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 107, 126, 140, 163, 180, 210, 214, 252, 315, 321, 326, 420, 428, 489, 535, 630, 642, 652, 749, 815, 919, 963, 978, 1070, 1141, 1260, 1284, 1467, 1498, 1605, 1630, 1838, 1926, 1956, 2140, 2247, 2282, 2445, 2757, 2934, 2996, 3210, 3260, 3423, 3676, 3745, 3852, 4494, 4564, 4595, 4815, 4890, 5514, 5705, 5868, 6420, 6433, 6741, 6846, 7335, 7490, 8271, 8988, 9190, 9630, 9780, 10269, 11028, 11235, 11410, 12866, 13482, 13692, 13785, 14670, 14980, 16542, 17115, 17441, 18380, 19260, 19299, 20538, 22470, 22820, 25732, 26964, 27570, 29340, 32165, 33084, 33705, 34230, 34882, 38598, 41076, 41355, 44940, 51345, 52323, 55140, 57897, 64330, 67410, 68460, 69764, 77196, 82710, 87205, 96495, 98333, 102690, 104646, 115794, 122087, 128660, 134820, 149797, 156969, 165420, 174410, 192990, 196666, 205380, 209292, 231588, 244174, 261615, 289485, 294999, 299594, 313938, 348820, 366261, 385980, 393332, 449391, 488348, 491665, 523230, 578970, 589998, 599188, 610435, 627876, 688331, 732522, 748985, 784845, 884997, 898782, 983330, 1046460, 1048579, 1098783, 1157940, 1179996, 1220870, 1348173, 1376662, 1465044, 1474995, 1497970, 1569690, 1769994, 1797564, 1831305, 1966660, 2064993, 2097158, 2197566, 2246955, 2441740, 2696346, 2753324, 2949990, 2995940, 3139380, 3145737, 3441655, 3539988, 3662610, 4129986, 4194316, 4395132, 4424985, 4493910, 5242895, 5392692, 5493915, 5899980, 6194979, 6291474, 6740865, 6883310, 7325220, 8259972, 8849970, 8987820, 9437211, 10324965, 10485790, 10987830, 12389958, 12582948, 13481730, 13766620, 15728685, 16028279, 17699940, 18874422, 20649930, 20971580, 21975660, 24779916, 26963460, 30974895, 31457370, 32056558, 37748844, 41299860, 47186055, 48084837, 61949790, 62914740, 64113116, 80141395, 94372110, 96169674, 112197953, 123899580, 144254511, 160282790, 188744220, 192339348, 224395906, 240424185, 288509022, 320565580, 336593859, 448791812, 480848370, 560989765, 577018044, 673187718, 721272555, 961696740, 1009781577, 1121979530, 1346375436, 1442545110, 1682969295, 2019563154, 2243959060, 2885090220, 3365938590, 4039126308, 5048907885, 6731877180, 10097815770, 20195631540]

約数ペア:

[(1, 20195631540), (2, 10097815770), (3, 6731877180), (4, 5048907885), (5, 4039126308), (6, 3365938590), (7, 2885090220), (9, 2243959060), (10, 2019563154), (12, 1682969295), (14, 1442545110), (15, 1346375436), (18, 1121979530), (20, 1009781577), (21, 961696740), (28, 721272555), (30, 673187718), (35, 577018044), (36, 560989765), (42, 480848370), (45, 448791812), (60, 336593859), (63, 320565580), (70, 288509022), (84, 240424185), (90, 224395906), (105, 192339348), (107, 188744220), (126, 160282790), (140, 144254511), (163, 123899580), (180, 112197953), (210, 96169674), (214, 94372110), (252, 80141395), (315, 64113116), (321, 62914740), (326, 61949790), (420, 48084837), (428, 47186055), (489, 41299860), (535, 37748844), (630, 32056558), (642, 31457370), (652, 30974895), (749, 26963460), (815, 24779916), (919, 21975660), (963, 20971580), (978, 20649930), (1070, 18874422), (1141, 17699940), (1260, 16028279), (1284, 15728685), (1467, 13766620), (1498, 13481730), (1605, 12582948), (1630, 12389958), (1838, 10987830), (1926, 10485790), (1956, 10324965), (2140, 9437211), (2247, 8987820), (2282, 8849970), (2445, 8259972), (2757, 7325220), (2934, 6883310), (2996, 6740865), (3210, 6291474), (3260, 6194979), (3423, 5899980), (3676, 5493915), (3745, 5392692), (3852, 5242895), (4494, 4493910), (4564, 4424985), (4595, 4395132), (4815, 4194316), (4890, 4129986), (5514, 3662610), (5705, 3539988), (5868, 3441655), (6420, 3145737), (6433, 3139380), (6741, 2995940), (6846, 2949990), (7335, 2753324), (7490, 2696346), (8271, 2441740), (8988, 2246955), (9190, 2197566), (9630, 2097158), (9780, 2064993), (10269, 1966660), (11028, 1831305), (11235, 1797564), (11410, 1769994), (12866, 1569690), (13482, 1497970), (13692, 1474995), (13785, 1465044), (14670, 1376662), (14980, 1348173), (16542, 1220870), (17115, 1179996), (17441, 1157940), (18380, 1098783), (19260, 1048579), (19299, 1046460), (20538, 983330), (22470, 898782), (22820, 884997), (25732, 784845), (26964, 748985), (27570, 732522), (29340, 688331), (32165, 627876), (33084, 610435), (33705, 599188), (34230, 589998), (34882, 578970), (38598, 523230), (41076, 491665), (41355, 488348), (44940, 449391), (51345, 393332), (52323, 385980), (55140, 366261), (57897, 348820), (64330, 313938), (67410, 299594), (68460, 294999), (69764, 289485), (77196, 261615), (82710, 244174), (87205, 231588), (96495, 209292), (98333, 205380), (102690, 196666), (104646, 192990), (115794, 174410), (122087, 165420), (128660, 156969), (134820, 149797)]