20004664

素因数分解:

$2^3\times {\mathrm{23}}^2\times {\mathrm{29}}^1\times {\mathrm{163}}^1$

素因数の和:244

約数の個数: 48

約数和(自身を含む): 40811400

約数和(自身を除く): 20806736

約数列:

[1, 2, 4, 8, 23, 29, 46, 58, 92, 116, 163, 184, 232, 326, 529, 652, 667, 1058, 1304, 1334, 2116, 2668, 3749, 4232, 4727, 5336, 7498, 9454, 14996, 15341, 18908, 29992, 30682, 37816, 61364, 86227, 108721, 122728, 172454, 217442, 344908, 434884, 689816, 869768, 2500583, 5001166, 10002332, 20004664]

約数ペア:

[(1, 20004664), (2, 10002332), (4, 5001166), (8, 2500583), (23, 869768), (29, 689816), (46, 434884), (58, 344908), (92, 217442), (116, 172454), (163, 122728), (184, 108721), (232, 86227), (326, 61364), (529, 37816), (652, 30682), (667, 29992), (1058, 18908), (1304, 15341), (1334, 14996), (2116, 9454), (2668, 7498), (3749, 5336), (4232, 4727)]