20129768

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{148013}}^1$

素因数の和:148036

約数の個数: 16

約数和(自身を含む): 39963780

約数和(自身を除く): 19834012

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 148013, 296026, 592052, 1184104, 2516221, 5032442, 10064884, 20129768]

約数ペア:

[(1, 20129768), (2, 10064884), (4, 5032442), (8, 2516221), (17, 1184104), (34, 592052), (68, 296026), (136, 148013)]