20022032

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1091}}^1$

素因数の和:1167

約数の個数: 40

約数和(自身を含む): 41164032

約数和(自身を除く): 21142000

約数列:

[1, 2, 4, 8, 16, 31, 37, 62, 74, 124, 148, 248, 296, 496, 592, 1091, 1147, 2182, 2294, 4364, 4588, 8728, 9176, 17456, 18352, 33821, 40367, 67642, 80734, 135284, 161468, 270568, 322936, 541136, 645872, 1251377, 2502754, 5005508, 10011016, 20022032]

約数ペア:

[(1, 20022032), (2, 10011016), (4, 5005508), (8, 2502754), (16, 1251377), (31, 645872), (37, 541136), (62, 322936), (74, 270568), (124, 161468), (148, 135284), (248, 80734), (296, 67642), (496, 40367), (592, 33821), (1091, 18352), (1147, 17456), (2182, 9176), (2294, 8728), (4364, 4588)]