20584360

素因数分解:

$2^3\times 5^1\times {\mathrm{227}}^1\times {\mathrm{2267}}^1$

素因数の和:2505

約数の個数: 32

約数和(自身を含む): 46539360

約数和(自身を除く): 25955000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 227, 454, 908, 1135, 1816, 2267, 2270, 4534, 4540, 9068, 9080, 11335, 18136, 22670, 45340, 90680, 514609, 1029218, 2058436, 2573045, 4116872, 5146090, 10292180, 20584360]

約数ペア:

[(1, 20584360), (2, 10292180), (4, 5146090), (5, 4116872), (8, 2573045), (10, 2058436), (20, 1029218), (40, 514609), (227, 90680), (454, 45340), (908, 22670), (1135, 18136), (1816, 11335), (2267, 9080), (2270, 9068), (4534, 4540)]