20018454405

素因数分解:

$3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{661}}^1\times {\mathrm{18523}}^1$

素因数の和:19301

約数の個数: 32

約数和(自身を含む): 32374024320

約数和(自身を除く): 12355569915

約数列:

[1, 3, 5, 15, 109, 327, 545, 661, 1635, 1983, 3305, 9915, 18523, 55569, 72049, 92615, 216147, 277845, 360245, 1080735, 2019007, 6057021, 10095035, 12243703, 30285105, 36731109, 61218515, 183655545, 1334563627, 4003690881, 6672818135, 20018454405]

約数ペア:

[(1, 20018454405), (3, 6672818135), (5, 4003690881), (15, 1334563627), (109, 183655545), (327, 61218515), (545, 36731109), (661, 30285105), (1635, 12243703), (1983, 10095035), (3305, 6057021), (9915, 2019007), (18523, 1080735), (55569, 360245), (72049, 277845), (92615, 216147)]