53900020

素因数分解:

$2^2\times 5^1\times {\mathrm{631}}^1\times {\mathrm{4271}}^1$

素因数の和:4911

約数の個数: 24

約数和(自身を含む): 113395968

約数和(自身を除く): 59495948

約数列:

[1, 2, 4, 5, 10, 20, 631, 1262, 2524, 3155, 4271, 6310, 8542, 12620, 17084, 21355, 42710, 85420, 2695001, 5390002, 10780004, 13475005, 26950010, 53900020]

約数ペア:

[(1, 53900020), (2, 26950010), (4, 13475005), (5, 10780004), (10, 5390002), (20, 2695001), (631, 85420), (1262, 42710), (2524, 21355), (3155, 17084), (4271, 12620), (6310, 8542)]