19696980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{328283}}^1$

素因数の和:328295

約数の個数: 24

約数和(自身を含む): 55151712

約数和(自身を除く): 35454732

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 328283, 656566, 984849, 1313132, 1641415, 1969698, 3282830, 3939396, 4924245, 6565660, 9848490, 19696980]

約数ペア:

[(1, 19696980), (2, 9848490), (3, 6565660), (4, 4924245), (5, 3939396), (6, 3282830), (10, 1969698), (12, 1641415), (15, 1313132), (20, 984849), (30, 656566), (60, 328283)]