20104421870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{154649399}}^1$

素因数の和:154649419

約数の個数: 16

約数和(自身を含む): 38971648800

約数和(自身を除く): 18867226930

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 154649399, 309298798, 773246995, 1546493990, 2010442187, 4020884374, 10052210935, 20104421870]

約数ペア:

[(1, 20104421870), (2, 10052210935), (5, 4020884374), (10, 2010442187), (13, 1546493990), (26, 773246995), (65, 309298798), (130, 154649399)]