20947992

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67141}}^1$

素因数の和:67163

約数の個数: 32

約数和(自身を含む): 56399280

約数和(自身を除く): 35451288

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 67141, 134282, 201423, 268564, 402846, 537128, 805692, 872833, 1611384, 1745666, 2618499, 3491332, 5236998, 6982664, 10473996, 20947992]

約数ペア:

[(1, 20947992), (2, 10473996), (3, 6982664), (4, 5236998), (6, 3491332), (8, 2618499), (12, 1745666), (13, 1611384), (24, 872833), (26, 805692), (39, 537128), (52, 402846), (78, 268564), (104, 201423), (156, 134282), (312, 67141)]