20488213

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{463}}^1$

素因数の和:636

約数の個数: 16

約数和(自身を含む): 23051520

約数和(自身を除く): 2563307

約数列:

[1, 17, 19, 137, 323, 463, 2329, 2603, 7871, 8797, 44251, 63431, 149549, 1078327, 1205189, 20488213]

約数ペア:

[(1, 20488213), (17, 1205189), (19, 1078327), (137, 149549), (323, 63431), (463, 44251), (2329, 8797), (2603, 7871)]