20115290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{154733}}^1$

素因数の和:154753

約数の個数: 16

約数和(自身を含む): 38992968

約数和(自身を除く): 18877678

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 154733, 309466, 773665, 1547330, 2011529, 4023058, 10057645, 20115290]

約数ペア:

[(1, 20115290), (2, 10057645), (5, 4023058), (10, 2011529), (13, 1547330), (26, 773665), (65, 309466), (130, 154733)]