221526020

素因数分解:

$2^2\times 5^1\times {\mathrm{2767}}^1\times {\mathrm{4003}}^1$

素因数の和:6779

約数の個数: 24

約数和(自身を含む): 465489024

約数和(自身を除く): 243963004

約数列:

[1, 2, 4, 5, 10, 20, 2767, 4003, 5534, 8006, 11068, 13835, 16012, 20015, 27670, 40030, 55340, 80060, 11076301, 22152602, 44305204, 55381505, 110763010, 221526020]

約数ペア:

[(1, 221526020), (2, 110763010), (4, 55381505), (5, 44305204), (10, 22152602), (20, 11076301), (2767, 80060), (4003, 55340), (5534, 40030), (8006, 27670), (11068, 20015), (13835, 16012)]