20546721

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{1163}}^1$

素因数の和:1333

約数の個数: 24

約数和(自身を含む): 32200896

約数和(自身を除く): 11654175

約数列:

[1, 3, 9, 13, 39, 117, 151, 453, 1163, 1359, 1963, 3489, 5889, 10467, 15119, 17667, 45357, 136071, 175613, 526839, 1580517, 2282969, 6848907, 20546721]

約数ペア:

[(1, 20546721), (3, 6848907), (9, 2282969), (13, 1580517), (39, 526839), (117, 175613), (151, 136071), (453, 45357), (1163, 17667), (1359, 15119), (1963, 10467), (3489, 5889)]