20648608

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{37957}}^1$

素因数の和:37984

約数の個数: 24

約数和(自身を含む): 43044372

約数和(自身を除く): 22395764

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544, 37957, 75914, 151828, 303656, 607312, 645269, 1214624, 1290538, 2581076, 5162152, 10324304, 20648608]

約数ペア:

[(1, 20648608), (2, 10324304), (4, 5162152), (8, 2581076), (16, 1290538), (17, 1214624), (32, 645269), (34, 607312), (68, 303656), (136, 151828), (272, 75914), (544, 37957)]