20012876

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{22639}}^1$

素因数の和:22673

約数の個数: 24

約数和(自身を含む): 39936960

約数和(自身を除く): 19924084

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 442, 884, 22639, 45278, 90556, 294307, 384863, 588614, 769726, 1177228, 1539452, 5003219, 10006438, 20012876]

約数ペア:

[(1, 20012876), (2, 10006438), (4, 5003219), (13, 1539452), (17, 1177228), (26, 769726), (34, 588614), (52, 384863), (68, 294307), (221, 90556), (442, 45278), (884, 22639)]