20001740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{90917}}^1$

素因数の和:90937

約数の個数: 24

約数和(自身を含む): 45822672

約数和(自身を除く): 25820932

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 90917, 181834, 363668, 454585, 909170, 1000087, 1818340, 2000174, 4000348, 5000435, 10000870, 20001740]

約数ペア:

[(1, 20001740), (2, 10000870), (4, 5000435), (5, 4000348), (10, 2000174), (11, 1818340), (20, 1000087), (22, 909170), (44, 454585), (55, 363668), (110, 181834), (220, 90917)]