20417332

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{911}}^1$

素因数の和:1359

約数の個数: 24

約数和(自身を含む): 38610432

約数和(自身を除く): 18193100

約数列:

[1, 2, 4, 13, 26, 52, 431, 862, 911, 1724, 1822, 3644, 5603, 11206, 11843, 22412, 23686, 47372, 392641, 785282, 1570564, 5104333, 10208666, 20417332]

約数ペア:

[(1, 20417332), (2, 10208666), (4, 5104333), (13, 1570564), (26, 785282), (52, 392641), (431, 47372), (862, 23686), (911, 22412), (1724, 11843), (1822, 11206), (3644, 5603)]