66408020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{474343}}^1$

素因数の和:474359

約数の個数: 24

約数和(自身を含む): 159379584

約数和(自身を除く): 92971564

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 474343, 948686, 1897372, 2371715, 3320401, 4743430, 6640802, 9486860, 13281604, 16602005, 33204010, 66408020]

約数ペア:

[(1, 66408020), (2, 33204010), (4, 16602005), (5, 13281604), (7, 9486860), (10, 6640802), (14, 4743430), (20, 3320401), (28, 2371715), (35, 1897372), (70, 948686), (140, 474343)]