20679984

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{11047}}^1$

素因数の和:11074

約数の個数: 60

約数和(自身を含む): 62332816

約数和(自身を除く): 41652832

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 208, 234, 312, 468, 624, 936, 1872, 11047, 22094, 33141, 44188, 66282, 88376, 99423, 132564, 143611, 176752, 198846, 265128, 287222, 397692, 430833, 530256, 574444, 795384, 861666, 1148888, 1292499, 1590768, 1723332, 2297776, 2584998, 3446664, 5169996, 6893328, 10339992, 20679984]

約数ペア:

[(1, 20679984), (2, 10339992), (3, 6893328), (4, 5169996), (6, 3446664), (8, 2584998), (9, 2297776), (12, 1723332), (13, 1590768), (16, 1292499), (18, 1148888), (24, 861666), (26, 795384), (36, 574444), (39, 530256), (48, 430833), (52, 397692), (72, 287222), (78, 265128), (104, 198846), (117, 176752), (144, 143611), (156, 132564), (208, 99423), (234, 88376), (312, 66282), (468, 44188), (624, 33141), (936, 22094), (1872, 11047)]