20246668

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{1103}}^1$

素因数の和:1473

約数の個数: 24

約数和(自身を含む): 38299968

約数和(自身を除く): 18053300

約数列:

[1, 2, 4, 13, 26, 52, 353, 706, 1103, 1412, 2206, 4412, 4589, 9178, 14339, 18356, 28678, 57356, 389359, 778718, 1557436, 5061667, 10123334, 20246668]

約数ペア:

[(1, 20246668), (2, 10123334), (4, 5061667), (13, 1557436), (26, 778718), (52, 389359), (353, 57356), (706, 28678), (1103, 18356), (1412, 14339), (2206, 9178), (4412, 4589)]