20619365

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{2129}}^1$

素因数の和:2296

約数の個数: 16

約数和(自身を含む): 26838000

約数和(自身を除く): 6218635

約数列:

[1, 5, 13, 65, 149, 745, 1937, 2129, 9685, 10645, 27677, 138385, 317221, 1586105, 4123873, 20619365]

約数ペア:

[(1, 20619365), (5, 4123873), (13, 1586105), (65, 317221), (149, 138385), (745, 27677), (1937, 10645), (2129, 9685)]