20541170

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{158009}}^1$

素因数の和:158029

約数の個数: 16

約数和(自身を含む): 39818520

約数和(自身を除く): 19277350

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 158009, 316018, 790045, 1580090, 2054117, 4108234, 10270585, 20541170]

約数ペア:

[(1, 20541170), (2, 10270585), (5, 4108234), (10, 2054117), (13, 1580090), (26, 790045), (65, 316018), (130, 158009)]