20967812

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{29}}^2\times {\mathrm{271}}^1$

素因数の和:356

約数の個数: 36

約数和(自身を含む): 39801216

約数和(自身を除く): 18833404

約数列:

[1, 2, 4, 23, 29, 46, 58, 92, 116, 271, 542, 667, 841, 1084, 1334, 1682, 2668, 3364, 6233, 7859, 12466, 15718, 19343, 24932, 31436, 38686, 77372, 180757, 227911, 361514, 455822, 723028, 911644, 5241953, 10483906, 20967812]

約数ペア:

[(1, 20967812), (2, 10483906), (4, 5241953), (23, 911644), (29, 723028), (46, 455822), (58, 361514), (92, 227911), (116, 180757), (271, 77372), (542, 38686), (667, 31436), (841, 24932), (1084, 19343), (1334, 15718), (1682, 12466), (2668, 7859), (3364, 6233)]