20189545948

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{6863}}^1$

素因数の和:7067

約数の個数: 96

約数和(自身を含む): 42943380480

約数和(自身を除く): 22753834532

約数列:

[1, 2, 4, 11, 13, 22, 26, 37, 44, 52, 74, 139, 143, 148, 278, 286, 407, 481, 556, 572, 814, 962, 1529, 1628, 1807, 1924, 3058, 3614, 5143, 5291, 6116, 6863, 7228, 10286, 10582, 13726, 19877, 20572, 21164, 27452, 39754, 56573, 66859, 75493, 79508, 89219, 113146, 133718, 150986, 178438, 226292, 253931, 267436, 301972, 356876, 507862, 735449, 953957, 981409, 1015724, 1470898, 1907914, 1962818, 2793241, 2941796, 3301103, 3815828, 3925636, 5586482, 6602206, 10493527, 11172964, 12401441, 13204412, 20987054, 24802882, 35296409, 36312133, 41974108, 49605764, 70592818, 72624266, 136415851, 141185636, 145248532, 272831702, 388260499, 458853317, 545663404, 776520998, 917706634, 1553041996, 1835413268, 5047386487, 10094772974, 20189545948]

約数ペア:

[(1, 20189545948), (2, 10094772974), (4, 5047386487), (11, 1835413268), (13, 1553041996), (22, 917706634), (26, 776520998), (37, 545663404), (44, 458853317), (52, 388260499), (74, 272831702), (139, 145248532), (143, 141185636), (148, 136415851), (278, 72624266), (286, 70592818), (407, 49605764), (481, 41974108), (556, 36312133), (572, 35296409), (814, 24802882), (962, 20987054), (1529, 13204412), (1628, 12401441), (1807, 11172964), (1924, 10493527), (3058, 6602206), (3614, 5586482), (5143, 3925636), (5291, 3815828), (6116, 3301103), (6863, 2941796), (7228, 2793241), (10286, 1962818), (10582, 1907914), (13726, 1470898), (19877, 1015724), (20572, 981409), (21164, 953957), (27452, 735449), (39754, 507862), (56573, 356876), (66859, 301972), (75493, 267436), (79508, 253931), (89219, 226292), (113146, 178438), (133718, 150986)]