20156960

素因数分解:

$2^5\times 5^1\times {\mathrm{53}}^1\times {\mathrm{2377}}^1$

素因数の和:2445

約数の個数: 48

約数和(自身を含む): 48539736

約数和(自身を除く): 28382776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 80, 106, 160, 212, 265, 424, 530, 848, 1060, 1696, 2120, 2377, 4240, 4754, 8480, 9508, 11885, 19016, 23770, 38032, 47540, 76064, 95080, 125981, 190160, 251962, 380320, 503924, 629905, 1007848, 1259810, 2015696, 2519620, 4031392, 5039240, 10078480, 20156960]

約数ペア:

[(1, 20156960), (2, 10078480), (4, 5039240), (5, 4031392), (8, 2519620), (10, 2015696), (16, 1259810), (20, 1007848), (32, 629905), (40, 503924), (53, 380320), (80, 251962), (106, 190160), (160, 125981), (212, 95080), (265, 76064), (424, 47540), (530, 38032), (848, 23770), (1060, 19016), (1696, 11885), (2120, 9508), (2377, 8480), (4240, 4754)]