20890344852

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^2\times {\mathrm{31}}^2\times {\mathrm{397}}^1$

素因数の和:501

約数の個数: 270

約数和(自身を含む): 61258565214

約数和(自身を除く): 40368220362

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 31, 36, 39, 52, 54, 62, 78, 81, 93, 108, 117, 124, 156, 162, 169, 186, 234, 279, 324, 338, 351, 372, 397, 403, 468, 507, 558, 676, 702, 794, 806, 837, 961, 1014, 1053, 1116, 1191, 1209, 1404, 1521, 1588, 1612, 1674, 1922, 2028, 2106, 2382, 2418, 2511, 2883, 3042, 3348, 3573, 3627, 3844, 4212, 4563, 4764, 4836, 5022, 5161, 5239, 5766, 6084, 7146, 7254, 8649, 9126, 10044, 10322, 10478, 10719, 10881, 11532, 12307, 12493, 13689, 14292, 14508, 15483, 15717, 17298, 18252, 20644, 20956, 21438, 21762, 24614, 24986, 25947, 27378, 30966, 31434, 32157, 32643, 34596, 36921, 37479, 42876, 43524, 46449, 47151, 49228, 49972, 51894, 54756, 61932, 62868, 64314, 65286, 67093, 73842, 74958, 77841, 92898, 94302, 103788, 110763, 112437, 128628, 130572, 134186, 139347, 141453, 147684, 149916, 155682, 159991, 162409, 185796, 188604, 201279, 221526, 224874, 268372, 278694, 282906, 311364, 319982, 324818, 332289, 337311, 381517, 402558, 418041, 424359, 443052, 449748, 479973, 487227, 557388, 565812, 603837, 639964, 649636, 664578, 674622, 763034, 805116, 836082, 848718, 959946, 974454, 996867, 1011933, 1144551, 1207674, 1329156, 1349244, 1439919, 1461681, 1526068, 1672164, 1697436, 1811511, 1919892, 1948908, 1993734, 2023866, 2079883, 2289102, 2415348, 2879838, 2923362, 3433653, 3623022, 3987468, 4047732, 4159766, 4319757, 4385043, 4578204, 4959721, 5434533, 5759676, 5846724, 6239649, 6867306, 7246044, 8319532, 8639514, 8770086, 9919442, 10300959, 10869066, 12479298, 12959271, 13155129, 13734612, 14879163, 17279028, 17540172, 18718947, 19838884, 20601918, 21738132, 24958596, 25918542, 26310258, 29758326, 30902877, 37437894, 41203836, 44637489, 51837084, 52620516, 56156841, 59516652, 61805754, 64476373, 74875788, 89274978, 112313682, 123611508, 128952746, 133912467, 168470523, 178549956, 193429119, 224627364, 257905492, 267824934, 336941046, 386858238, 401737401, 535649868, 580287357, 673882092, 773716476, 803474802, 1160574714, 1606949604, 1740862071, 2321149428, 3481724142, 5222586213, 6963448284, 10445172426, 20890344852]

約数ペア:

[(1, 20890344852), (2, 10445172426), (3, 6963448284), (4, 5222586213), (6, 3481724142), (9, 2321149428), (12, 1740862071), (13, 1606949604), (18, 1160574714), (26, 803474802), (27, 773716476), (31, 673882092), (36, 580287357), (39, 535649868), (52, 401737401), (54, 386858238), (62, 336941046), (78, 267824934), (81, 257905492), (93, 224627364), (108, 193429119), (117, 178549956), (124, 168470523), (156, 133912467), (162, 128952746), (169, 123611508), (186, 112313682), (234, 89274978), (279, 74875788), (324, 64476373), (338, 61805754), (351, 59516652), (372, 56156841), (397, 52620516), (403, 51837084), (468, 44637489), (507, 41203836), (558, 37437894), (676, 30902877), (702, 29758326), (794, 26310258), (806, 25918542), (837, 24958596), (961, 21738132), (1014, 20601918), (1053, 19838884), (1116, 18718947), (1191, 17540172), (1209, 17279028), (1404, 14879163), (1521, 13734612), (1588, 13155129), (1612, 12959271), (1674, 12479298), (1922, 10869066), (2028, 10300959), (2106, 9919442), (2382, 8770086), (2418, 8639514), (2511, 8319532), (2883, 7246044), (3042, 6867306), (3348, 6239649), (3573, 5846724), (3627, 5759676), (3844, 5434533), (4212, 4959721), (4563, 4578204), (4764, 4385043), (4836, 4319757), (5022, 4159766), (5161, 4047732), (5239, 3987468), (5766, 3623022), (6084, 3433653), (7146, 2923362), (7254, 2879838), (8649, 2415348), (9126, 2289102), (10044, 2079883), (10322, 2023866), (10478, 1993734), (10719, 1948908), (10881, 1919892), (11532, 1811511), (12307, 1697436), (12493, 1672164), (13689, 1526068), (14292, 1461681), (14508, 1439919), (15483, 1349244), (15717, 1329156), (17298, 1207674), (18252, 1144551), (20644, 1011933), (20956, 996867), (21438, 974454), (21762, 959946), (24614, 848718), (24986, 836082), (25947, 805116), (27378, 763034), (30966, 674622), (31434, 664578), (32157, 649636), (32643, 639964), (34596, 603837), (36921, 565812), (37479, 557388), (42876, 487227), (43524, 479973), (46449, 449748), (47151, 443052), (49228, 424359), (49972, 418041), (51894, 402558), (54756, 381517), (61932, 337311), (62868, 332289), (64314, 324818), (65286, 319982), (67093, 311364), (73842, 282906), (74958, 278694), (77841, 268372), (92898, 224874), (94302, 221526), (103788, 201279), (110763, 188604), (112437, 185796), (128628, 162409), (130572, 159991), (134186, 155682), (139347, 149916), (141453, 147684)]