20182464575

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{145433}}^1$

素因数の和:145524

約数の個数: 48

約数和(自身を含む): 31306704576

約数和(自身を除く): 11124240001

約数列:

[1, 5, 7, 13, 25, 35, 61, 65, 91, 175, 305, 325, 427, 455, 793, 1525, 2135, 2275, 3965, 5551, 10675, 19825, 27755, 138775, 145433, 727165, 1018031, 1890629, 3635825, 5090155, 8871413, 9453145, 13234403, 25450775, 44357065, 47265725, 62099891, 66172015, 115328369, 221785325, 310499455, 330860075, 576641845, 807298583, 1552497275, 2883209225, 4036492915, 20182464575]

約数ペア:

[(1, 20182464575), (5, 4036492915), (7, 2883209225), (13, 1552497275), (25, 807298583), (35, 576641845), (61, 330860075), (65, 310499455), (91, 221785325), (175, 115328369), (305, 66172015), (325, 62099891), (427, 47265725), (455, 44357065), (793, 25450775), (1525, 13234403), (2135, 9453145), (2275, 8871413), (3965, 5090155), (5551, 3635825), (10675, 1890629), (19825, 1018031), (27755, 727165), (138775, 145433)]