20360986

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{4157}}^1$

素因数の和:4269

約数の個数: 16

約数和(自身を含む): 31933440

約数和(自身を除く): 11572454

約数列:

[1, 2, 31, 62, 79, 158, 2449, 4157, 4898, 8314, 128867, 257734, 328403, 656806, 10180493, 20360986]

約数ペア:

[(1, 20360986), (2, 10180493), (31, 656806), (62, 328403), (79, 257734), (158, 128867), (2449, 8314), (4157, 4898)]