20841736

素因数分解:

$2^3\times {\mathrm{211}}^1\times {\mathrm{12347}}^1$

素因数の和:12564

約数の個数: 16

約数和(自身を含む): 39266640

約数和(自身を除く): 18424904

約数列:

[1, 2, 4, 8, 211, 422, 844, 1688, 12347, 24694, 49388, 98776, 2605217, 5210434, 10420868, 20841736]

約数ペア:

[(1, 20841736), (2, 10420868), (4, 5210434), (8, 2605217), (211, 98776), (422, 49388), (844, 24694), (1688, 12347)]