20666014

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{263}}^1\times {\mathrm{389}}^1$

素因数の和:755

約数の個数: 16

約数和(自身を含む): 31505760

約数和(自身を除く): 10839746

約数列:

[1, 2, 101, 202, 263, 389, 526, 778, 26563, 39289, 53126, 78578, 102307, 204614, 10333007, 20666014]

約数ペア:

[(1, 20666014), (2, 10333007), (101, 204614), (202, 102307), (263, 78578), (389, 53126), (526, 39289), (778, 26563)]