20421922

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{653}}^1\times {\mathrm{823}}^1$

素因数の和:1497

約数の個数: 16

約数和(自身を含む): 32333760

約数和(自身を除く): 11911838

約数列:

[1, 2, 19, 38, 653, 823, 1306, 1646, 12407, 15637, 24814, 31274, 537419, 1074838, 10210961, 20421922]

約数ペア:

[(1, 20421922), (2, 10210961), (19, 1074838), (38, 537419), (653, 31274), (823, 24814), (1306, 15637), (1646, 12407)]