20939699425

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{9187}}^1$

素因数の和:9418

約数の個数: 48

約数和(自身を含む): 28546601472

約数和(自身を除く): 7606902047

約数列:

[1, 5, 17, 25, 31, 85, 155, 173, 425, 527, 775, 865, 2635, 2941, 4325, 5363, 9187, 13175, 14705, 26815, 45935, 73525, 91171, 134075, 156179, 229675, 284797, 455855, 780895, 1423985, 1589351, 2279275, 3904475, 4841549, 7119925, 7946755, 24207745, 27018967, 39733775, 49269881, 121038725, 135094835, 246349405, 675474175, 837587977, 1231747025, 4187939885, 20939699425]

約数ペア:

[(1, 20939699425), (5, 4187939885), (17, 1231747025), (25, 837587977), (31, 675474175), (85, 246349405), (155, 135094835), (173, 121038725), (425, 49269881), (527, 39733775), (775, 27018967), (865, 24207745), (2635, 7946755), (2941, 7119925), (4325, 4841549), (5363, 3904475), (9187, 2279275), (13175, 1589351), (14705, 1423985), (26815, 780895), (45935, 455855), (73525, 284797), (91171, 229675), (134075, 156179)]