19720066

素因数分解:

$2^1\times {\mathrm{163}}^1\times {\mathrm{241}}^1\times {\mathrm{251}}^1$

素因数の和:657

約数の個数: 16

約数和(自身を含む): 30004128

約数和(自身を除く): 10284062

約数列:

[1, 2, 163, 241, 251, 326, 482, 502, 39283, 40913, 60491, 78566, 81826, 120982, 9860033, 19720066]

約数ペア:

[(1, 19720066), (2, 9860033), (163, 120982), (241, 81826), (251, 78566), (326, 60491), (482, 40913), (502, 39283)]