22390420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{86117}}^1$

素因数の和:86139

約数の個数: 24

約数和(自身を含む): 50637384

約数和(自身を除く): 28246964

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 86117, 172234, 344468, 430585, 861170, 1119521, 1722340, 2239042, 4478084, 5597605, 11195210, 22390420]

約数ペア:

[(1, 22390420), (2, 11195210), (4, 5597605), (5, 4478084), (10, 2239042), (13, 1722340), (20, 1119521), (26, 861170), (52, 430585), (65, 344468), (130, 172234), (260, 86117)]