20904331383

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{491}}^1\times {\mathrm{363889}}^1$

素因数の和:364399

約数の個数: 24

約数和(自身を含む): 32584166160

約数和(自身を除く): 11679834777

約数列:

[1, 3, 9, 13, 39, 117, 491, 1473, 4419, 6383, 19149, 57447, 363889, 1091667, 3275001, 4730557, 14191671, 42575013, 178669499, 536008497, 1608025491, 2322703487, 6968110461, 20904331383]

約数ペア:

[(1, 20904331383), (3, 6968110461), (9, 2322703487), (13, 1608025491), (39, 536008497), (117, 178669499), (491, 42575013), (1473, 14191671), (4419, 4730557), (6383, 3275001), (19149, 1091667), (57447, 363889)]