20404904

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{196201}}^1$

素因数の和:196220

約数の個数: 16

約数和(自身を含む): 41202420

約数和(自身を除く): 20797516

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 196201, 392402, 784804, 1569608, 2550613, 5101226, 10202452, 20404904]

約数ペア:

[(1, 20404904), (2, 10202452), (4, 5101226), (8, 2550613), (13, 1569608), (26, 784804), (52, 392402), (104, 196201)]