200804020

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{137537}}^1$

素因数の和:137619

約数の個数: 24

約数和(自身を含む): 427468104

約数和(自身を除く): 226664084

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 137537, 275074, 550148, 687685, 1375370, 2750740, 10040201, 20080402, 40160804, 50201005, 100402010, 200804020]

約数ペア:

[(1, 200804020), (2, 100402010), (4, 50201005), (5, 40160804), (10, 20080402), (20, 10040201), (73, 2750740), (146, 1375370), (292, 687685), (365, 550148), (730, 275074), (1460, 137537)]