20626666

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{3643}}^1$

素因数の和:3813

約数の個数: 16

約数和(自身を含む): 32796000

約数和(自身を除く): 12169334

約数列:

[1, 2, 19, 38, 149, 298, 2831, 3643, 5662, 7286, 69217, 138434, 542807, 1085614, 10313333, 20626666]

約数ペア:

[(1, 20626666), (2, 10313333), (19, 1085614), (38, 542807), (149, 138434), (298, 69217), (2831, 7286), (3643, 5662)]