200807972020

素因数分解:

$2^2\times 5^1\times {\mathrm{2143}}^1\times {\mathrm{4685207}}^1$

素因数の和:4687359

約数の個数: 24

約数和(自身を含む): 421893609984

約数和(自身を除く): 221085637964

約数列:

[1, 2, 4, 5, 10, 20, 2143, 4286, 8572, 10715, 21430, 42860, 4685207, 9370414, 18740828, 23426035, 46852070, 93704140, 10040398601, 20080797202, 40161594404, 50201993005, 100403986010, 200807972020]

約数ペア:

[(1, 200807972020), (2, 100403986010), (4, 50201993005), (5, 40161594404), (10, 20080797202), (20, 10040398601), (2143, 93704140), (4286, 46852070), (8572, 23426035), (10715, 18740828), (21430, 9370414), (42860, 4685207)]