20381322

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8429}}^1$

素因数の和:8478

約数の個数: 32

約数和(自身を含む): 45319680

約数和(自身を除く): 24938358

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 186, 403, 806, 1209, 2418, 8429, 16858, 25287, 50574, 109577, 219154, 261299, 328731, 522598, 657462, 783897, 1567794, 3396887, 6793774, 10190661, 20381322]

約数ペア:

[(1, 20381322), (2, 10190661), (3, 6793774), (6, 3396887), (13, 1567794), (26, 783897), (31, 657462), (39, 522598), (62, 328731), (78, 261299), (93, 219154), (186, 109577), (403, 50574), (806, 25287), (1209, 16858), (2418, 8429)]