918372020

素因数分解:

$2^2\times 5^1\times {\mathrm{881}}^1\times {\mathrm{52121}}^1$

素因数の和:53011

約数の個数: 24

約数和(自身を含む): 1930807368

約数和(自身を除く): 1012435348

約数列:

[1, 2, 4, 5, 10, 20, 881, 1762, 3524, 4405, 8810, 17620, 52121, 104242, 208484, 260605, 521210, 1042420, 45918601, 91837202, 183674404, 229593005, 459186010, 918372020]

約数ペア:

[(1, 918372020), (2, 459186010), (4, 229593005), (5, 183674404), (10, 91837202), (20, 45918601), (881, 1042420), (1762, 521210), (3524, 260605), (4405, 208484), (8810, 104242), (17620, 52121)]