202070020

素因数分解:

$2^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{22807}}^1$

素因数の和:23259

約数の個数: 24

約数和(自身を含む): 425323584

約数和(自身を除く): 223253564

約数列:

[1, 2, 4, 5, 10, 20, 443, 886, 1772, 2215, 4430, 8860, 22807, 45614, 91228, 114035, 228070, 456140, 10103501, 20207002, 40414004, 50517505, 101035010, 202070020]

約数ペア:

[(1, 202070020), (2, 101035010), (4, 50517505), (5, 40414004), (10, 20207002), (20, 10103501), (443, 456140), (886, 228070), (1772, 114035), (2215, 91228), (4430, 45614), (8860, 22807)]