20163076980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{881}}^1\times {\mathrm{381443}}^1$

素因数の和:382336

約数の個数: 48

約数和(自身を含む): 56520846144

約数和(自身を除く): 36357769164

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 881, 1762, 2643, 3524, 4405, 5286, 8810, 10572, 13215, 17620, 26430, 52860, 381443, 762886, 1144329, 1525772, 1907215, 2288658, 3814430, 4577316, 5721645, 7628860, 11443290, 22886580, 336051283, 672102566, 1008153849, 1344205132, 1680256415, 2016307698, 3360512830, 4032615396, 5040769245, 6721025660, 10081538490, 20163076980]

約数ペア:

[(1, 20163076980), (2, 10081538490), (3, 6721025660), (4, 5040769245), (5, 4032615396), (6, 3360512830), (10, 2016307698), (12, 1680256415), (15, 1344205132), (20, 1008153849), (30, 672102566), (60, 336051283), (881, 22886580), (1762, 11443290), (2643, 7628860), (3524, 5721645), (4405, 4577316), (5286, 3814430), (8810, 2288658), (10572, 1907215), (13215, 1525772), (17620, 1144329), (26430, 762886), (52860, 381443)]