20108495

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{2243}}^1$

素因数の和:2422

約数の個数: 16

約数和(自身を含む): 26497152

約数和(自身を除く): 6388657

約数列:

[1, 5, 11, 55, 163, 815, 1793, 2243, 8965, 11215, 24673, 123365, 365609, 1828045, 4021699, 20108495]

約数ペア:

[(1, 20108495), (5, 4021699), (11, 1828045), (55, 365609), (163, 123365), (815, 24673), (1793, 11215), (2243, 8965)]