20644985

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{1489}}^1$

素因数の和:1600

約数の個数: 16

約数和(自身を含む): 25747200

約数和(自身を除く): 5102215

約数列:

[1, 5, 47, 59, 235, 295, 1489, 2773, 7445, 13865, 69983, 87851, 349915, 439255, 4128997, 20644985]

約数ペア:

[(1, 20644985), (5, 4128997), (47, 439255), (59, 349915), (235, 87851), (295, 69983), (1489, 13865), (2773, 7445)]