20390876

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{24391}}^1$

素因数の和:24425

約数の個数: 24

約数和(自身を含む): 40978560

約数和(自身を除く): 20587684

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 24391, 48782, 97564, 268301, 463429, 536602, 926858, 1073204, 1853716, 5097719, 10195438, 20390876]

約数ペア:

[(1, 20390876), (2, 10195438), (4, 5097719), (11, 1853716), (19, 1073204), (22, 926858), (38, 536602), (44, 463429), (76, 268301), (209, 97564), (418, 48782), (836, 24391)]