20228821820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{241}}^1\times {\mathrm{144719}}^1$

素因数の和:144998

約数の個数: 48

約数和(自身を含む): 44128022400

約数和(自身を除く): 23899200580

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 241, 290, 482, 580, 964, 1205, 2410, 4820, 6989, 13978, 27956, 34945, 69890, 139780, 144719, 289438, 578876, 723595, 1447190, 2894380, 4196851, 8393702, 16787404, 20984255, 34877279, 41968510, 69754558, 83937020, 139509116, 174386395, 348772790, 697545580, 1011441091, 2022882182, 4045764364, 5057205455, 10114410910, 20228821820]

約数ペア:

[(1, 20228821820), (2, 10114410910), (4, 5057205455), (5, 4045764364), (10, 2022882182), (20, 1011441091), (29, 697545580), (58, 348772790), (116, 174386395), (145, 139509116), (241, 83937020), (290, 69754558), (482, 41968510), (580, 34877279), (964, 20984255), (1205, 16787404), (2410, 8393702), (4820, 4196851), (6989, 2894380), (13978, 1447190), (27956, 723595), (34945, 578876), (69890, 289438), (139780, 144719)]