20325575420

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{3413}}^1\times {\mathrm{4079}}^1$

素因数の和:7574

約数の個数: 48

約数和(自身を含む): 43291704960

約数和(自身を除く): 22966129540

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 3413, 4079, 6826, 8158, 13652, 16316, 17065, 20395, 34130, 40790, 68260, 81580, 249149, 297767, 498298, 595534, 996596, 1191068, 1245745, 1488835, 2491490, 2977670, 4982980, 5955340, 13921627, 27843254, 55686508, 69608135, 139216270, 278432540, 1016278771, 2032557542, 4065115084, 5081393855, 10162787710, 20325575420]

約数ペア:

[(1, 20325575420), (2, 10162787710), (4, 5081393855), (5, 4065115084), (10, 2032557542), (20, 1016278771), (73, 278432540), (146, 139216270), (292, 69608135), (365, 55686508), (730, 27843254), (1460, 13921627), (3413, 5955340), (4079, 4982980), (6826, 2977670), (8158, 2491490), (13652, 1488835), (16316, 1245745), (17065, 1191068), (20395, 996596), (34130, 595534), (40790, 498298), (68260, 297767), (81580, 249149)]