20162860820

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{677}}^1\times {\mathrm{34631}}^1$

素因数の和:35360

約数の個数: 48

約数和(自身を含む): 43391956608

約数和(自身を除く): 23229095788

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 677, 860, 1354, 2708, 3385, 6770, 13540, 29111, 34631, 58222, 69262, 116444, 138524, 145555, 173155, 291110, 346310, 582220, 692620, 1489133, 2978266, 5956532, 7445665, 14891330, 23445187, 29782660, 46890374, 93780748, 117225935, 234451870, 468903740, 1008143041, 2016286082, 4032572164, 5040715205, 10081430410, 20162860820]

約数ペア:

[(1, 20162860820), (2, 10081430410), (4, 5040715205), (5, 4032572164), (10, 2016286082), (20, 1008143041), (43, 468903740), (86, 234451870), (172, 117225935), (215, 93780748), (430, 46890374), (677, 29782660), (860, 23445187), (1354, 14891330), (2708, 7445665), (3385, 5956532), (6770, 2978266), (13540, 1489133), (29111, 692620), (34631, 582220), (58222, 346310), (69262, 291110), (116444, 173155), (138524, 145555)]