20187609

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{1201}}^1$

素因数の和:1648

約数の個数: 16

約数和(自身を含む): 29078784

約数和(自身を除く): 8891175

約数列:

[1, 3, 13, 39, 431, 1201, 1293, 3603, 5603, 15613, 16809, 46839, 517631, 1552893, 6729203, 20187609]

約数ペア:

[(1, 20187609), (3, 6729203), (13, 1552893), (39, 517631), (431, 46839), (1201, 16809), (1293, 15613), (3603, 5603)]