20526340

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{33107}}^1$

素因数の和:33147

約数の個数: 24

約数和(自身を含む): 44497152

約数和(自身を除く): 23970812

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 33107, 66214, 132428, 165535, 331070, 662140, 1026317, 2052634, 4105268, 5131585, 10263170, 20526340]

約数ペア:

[(1, 20526340), (2, 10263170), (4, 5131585), (5, 4105268), (10, 2052634), (20, 1026317), (31, 662140), (62, 331070), (124, 165535), (155, 132428), (310, 66214), (620, 33107)]