22418420

素因数分解:

$2^2\times 5^1\times {\mathrm{719}}^1\times {\mathrm{1559}}^1$

素因数の和:2287

約数の個数: 24

約数和(自身を含む): 47174400

約数和(自身を除く): 24755980

約数列:

[1, 2, 4, 5, 10, 20, 719, 1438, 1559, 2876, 3118, 3595, 6236, 7190, 7795, 14380, 15590, 31180, 1120921, 2241842, 4483684, 5604605, 11209210, 22418420]

約数ペア:

[(1, 22418420), (2, 11209210), (4, 5604605), (5, 4483684), (10, 2241842), (20, 1120921), (719, 31180), (1438, 15590), (1559, 14380), (2876, 7795), (3118, 7190), (3595, 6236)]