20153119

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{433}}^1$

素因数の和:610

約数の個数: 16

約数和(自身を含む): 23679040

約数和(自身を除く): 3525921

約数列:

[1, 7, 61, 109, 427, 433, 763, 3031, 6649, 26413, 46543, 47197, 184891, 330379, 2879017, 20153119]

約数ペア:

[(1, 20153119), (7, 2879017), (61, 330379), (109, 184891), (427, 47197), (433, 46543), (763, 26413), (3031, 6649)]