20139644

素因数分解:

$2^2\times 7^1\times {\mathrm{317}}^1\times {\mathrm{2269}}^1$

素因数の和:2597

約数の個数: 24

約数和(自身を含む): 40424160

約数和(自身を除く): 20284516

約数列:

[1, 2, 4, 7, 14, 28, 317, 634, 1268, 2219, 2269, 4438, 4538, 8876, 9076, 15883, 31766, 63532, 719273, 1438546, 2877092, 5034911, 10069822, 20139644]

約数ペア:

[(1, 20139644), (2, 10069822), (4, 5034911), (7, 2877092), (14, 1438546), (28, 719273), (317, 63532), (634, 31766), (1268, 15883), (2219, 9076), (2269, 8876), (4438, 4538)]