20199789718

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{419}}^1\times {\mathrm{5821}}^1$

素因数の和:6384

約数の個数: 32

約数和(自身を含む): 31426224480

約数和(自身を除く): 11226434762

約数列:

[1, 2, 41, 82, 101, 202, 419, 838, 4141, 5821, 8282, 11642, 17179, 34358, 42319, 84638, 238661, 477322, 587921, 1175842, 1735079, 2438999, 3470158, 4877998, 24104761, 48209522, 99998959, 199997918, 246338899, 492677798, 10099894859, 20199789718]

約数ペア:

[(1, 20199789718), (2, 10099894859), (41, 492677798), (82, 246338899), (101, 199997918), (202, 99998959), (419, 48209522), (838, 24104761), (4141, 4877998), (5821, 3470158), (8282, 2438999), (11642, 1735079), (17179, 1175842), (34358, 587921), (42319, 477322), (84638, 238661)]