20975522

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{2069}}^1$

素因数の和:2245

約数の個数: 16

約数和(自身を含む): 32565240

約数和(自身を除く): 11589718

約数列:

[1, 2, 37, 74, 137, 274, 2069, 4138, 5069, 10138, 76553, 153106, 283453, 566906, 10487761, 20975522]

約数ペア:

[(1, 20975522), (2, 10487761), (37, 566906), (74, 283453), (137, 153106), (274, 76553), (2069, 10138), (4138, 5069)]