20201481

素因数分解:

$3^4\times {\mathrm{461}}^1\times {\mathrm{541}}^1$

素因数の和:1014

約数の個数: 20

約数和(自身を含む): 30298884

約数和(自身を除く): 10097403

約数列:

[1, 3, 9, 27, 81, 461, 541, 1383, 1623, 4149, 4869, 12447, 14607, 37341, 43821, 249401, 748203, 2244609, 6733827, 20201481]

約数ペア:

[(1, 20201481), (3, 6733827), (9, 2244609), (27, 748203), (81, 249401), (461, 43821), (541, 37341), (1383, 14607), (1623, 12447), (4149, 4869)]