20175716

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{3347}}^1$

素因数の和:3499

約数の個数: 24

約数和(自身を含む): 38810016

約数和(自身を除く): 18634300

約数列:

[1, 2, 4, 11, 22, 44, 137, 274, 548, 1507, 3014, 3347, 6028, 6694, 13388, 36817, 73634, 147268, 458539, 917078, 1834156, 5043929, 10087858, 20175716]

約数ペア:

[(1, 20175716), (2, 10087858), (4, 5043929), (11, 1834156), (22, 917078), (44, 458539), (137, 147268), (274, 73634), (548, 36817), (1507, 13388), (3014, 6694), (3347, 6028)]