20186075

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{467}}^1$

素因数の和:516

約数の個数: 48

約数和(自身を含む): 32497920

約数和(自身を除く): 12311845

約数列:

[1, 5, 7, 13, 19, 25, 35, 65, 91, 95, 133, 175, 247, 325, 455, 467, 475, 665, 1235, 1729, 2275, 2335, 3269, 3325, 6071, 6175, 8645, 8873, 11675, 16345, 30355, 42497, 43225, 44365, 62111, 81725, 115349, 151775, 212485, 221825, 310555, 576745, 807443, 1062425, 1552775, 2883725, 4037215, 20186075]

約数ペア:

[(1, 20186075), (5, 4037215), (7, 2883725), (13, 1552775), (19, 1062425), (25, 807443), (35, 576745), (65, 310555), (91, 221825), (95, 212485), (133, 151775), (175, 115349), (247, 81725), (325, 62111), (455, 44365), (467, 43225), (475, 42497), (665, 30355), (1235, 16345), (1729, 11675), (2275, 8873), (2335, 8645), (3269, 6175), (3325, 6071)]