20646772

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{1439}}^1$

素因数の和:1671

約数の個数: 24

約数和(自身を含む): 38465280

約数和(自身を除く): 17818508

約数列:

[1, 2, 4, 17, 34, 68, 211, 422, 844, 1439, 2878, 3587, 5756, 7174, 14348, 24463, 48926, 97852, 303629, 607258, 1214516, 5161693, 10323386, 20646772]

約数ペア:

[(1, 20646772), (2, 10323386), (4, 5161693), (17, 1214516), (34, 607258), (68, 303629), (211, 97852), (422, 48926), (844, 24463), (1439, 14348), (2878, 7174), (3587, 5756)]