20512542286

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{337}}^1\times {\mathrm{601}}^1\times {\mathrm{641}}^1$

素因数の和:1660

約数の個数: 32

約数和(自身を含む): 31351582080

約数和(自身を除く): 10839039794

約数列:

[1, 2, 79, 158, 337, 601, 641, 674, 1202, 1282, 26623, 47479, 50639, 53246, 94958, 101278, 202537, 216017, 385241, 405074, 432034, 770482, 16000423, 17065343, 30434039, 32000846, 34130686, 60868078, 129826217, 259652434, 10256271143, 20512542286]

約数ペア:

[(1, 20512542286), (2, 10256271143), (79, 259652434), (158, 129826217), (337, 60868078), (601, 34130686), (641, 32000846), (674, 30434039), (1202, 17065343), (1282, 16000423), (26623, 770482), (47479, 432034), (50639, 405074), (53246, 385241), (94958, 216017), (101278, 202537)]