20885488

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{100411}}^1$

素因数の和:100432

約数の個数: 20

約数和(自身を含む): 43578808

約数和(自身を除く): 22693320

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 100411, 200822, 401644, 803288, 1305343, 1606576, 2610686, 5221372, 10442744, 20885488]

約数ペア:

[(1, 20885488), (2, 10442744), (4, 5221372), (8, 2610686), (13, 1606576), (16, 1305343), (26, 803288), (52, 401644), (104, 200822), (208, 100411)]