20774215

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53959}}^1$

素因数の和:53982

約数の個数: 16

約数和(自身を含む): 31080960

約数和(自身を除く): 10306745

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 53959, 269795, 377713, 593549, 1888565, 2967745, 4154843, 20774215]

約数ペア:

[(1, 20774215), (5, 4154843), (7, 2967745), (11, 1888565), (35, 593549), (55, 377713), (77, 269795), (385, 53959)]