20342138

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:242

約数の個数: 32

約数和(自身を含む): 32901120

約数和(自身を除く): 12558982

約数列:

[1, 2, 31, 59, 62, 67, 83, 118, 134, 166, 1829, 2077, 2573, 3658, 3953, 4154, 4897, 5146, 5561, 7906, 9794, 11122, 122543, 151807, 172391, 245086, 303614, 328099, 344782, 656198, 10171069, 20342138]

約数ペア:

[(1, 20342138), (2, 10171069), (31, 656198), (59, 344782), (62, 328099), (67, 303614), (83, 245086), (118, 172391), (134, 151807), (166, 122543), (1829, 11122), (2077, 9794), (2573, 7906), (3658, 5561), (3953, 5146), (4154, 4897)]