20161222623

素因数分解:

$3^4\times {\mathrm{3449}}^1\times {\mathrm{72167}}^1$

素因数の和:75628

約数の個数: 20

約数和(自身を含む): 30126531600

約数和(自身を除く): 9965308977

約数列:

[1, 3, 9, 27, 81, 3449, 10347, 31041, 72167, 93123, 216501, 279369, 649503, 1948509, 5845527, 248903983, 746711949, 2240135847, 6720407541, 20161222623]

約数ペア:

[(1, 20161222623), (3, 6720407541), (9, 2240135847), (27, 746711949), (81, 248903983), (3449, 5845527), (10347, 1948509), (31041, 649503), (72167, 279369), (93123, 216501)]