20775430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{159811}}^1$

素因数の和:159831

約数の個数: 16

約数和(自身を含む): 40272624

約数和(自身を除く): 19497194

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 159811, 319622, 799055, 1598110, 2077543, 4155086, 10387715, 20775430]

約数ペア:

[(1, 20775430), (2, 10387715), (5, 4155086), (10, 2077543), (13, 1598110), (26, 799055), (65, 319622), (130, 159811)]