20948434

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{4943}}^1$

素因数の和:5121

約数の個数: 16

約数和(自身を含む): 34054272

約数和(自身を除く): 13105838

約数列:

[1, 2, 13, 26, 163, 326, 2119, 4238, 4943, 9886, 64259, 128518, 805709, 1611418, 10474217, 20948434]

約数ペア:

[(1, 20948434), (2, 10474217), (13, 1611418), (26, 805709), (163, 128518), (326, 64259), (2119, 9886), (4238, 4943)]