20441770

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{347}}^1$

素因数の和:534

約数の個数: 32

約数和(自身を含む): 38035008

約数和(自身を除く): 17593238

約数列:

[1, 2, 5, 10, 43, 86, 137, 215, 274, 347, 430, 685, 694, 1370, 1735, 3470, 5891, 11782, 14921, 29455, 29842, 47539, 58910, 74605, 95078, 149210, 237695, 475390, 2044177, 4088354, 10220885, 20441770]

約数ペア:

[(1, 20441770), (2, 10220885), (5, 4088354), (10, 2044177), (43, 475390), (86, 237695), (137, 149210), (215, 95078), (274, 74605), (347, 58910), (430, 47539), (685, 29842), (694, 29455), (1370, 14921), (1735, 11782), (3470, 5891)]