20565499540

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{433}}^1\times {\mathrm{50527}}^1$

素因数の和:51016

約数の個数: 48

約数和(自身を含む): 44209170432

約数和(自身を除く): 23643670892

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 433, 470, 866, 940, 1732, 2165, 4330, 8660, 20351, 40702, 50527, 81404, 101054, 101755, 202108, 203510, 252635, 407020, 505270, 1010540, 2374769, 4749538, 9499076, 11873845, 21878191, 23747690, 43756382, 47495380, 87512764, 109390955, 218781910, 437563820, 1028274977, 2056549954, 4113099908, 5141374885, 10282749770, 20565499540]

約数ペア:

[(1, 20565499540), (2, 10282749770), (4, 5141374885), (5, 4113099908), (10, 2056549954), (20, 1028274977), (47, 437563820), (94, 218781910), (188, 109390955), (235, 87512764), (433, 47495380), (470, 43756382), (866, 23747690), (940, 21878191), (1732, 11873845), (2165, 9499076), (4330, 4749538), (8660, 2374769), (20351, 1010540), (40702, 505270), (50527, 407020), (81404, 252635), (101054, 203510), (101755, 202108)]