20578035

素因数分解:

$3^1\times 5^1\times {\mathrm{463}}^1\times {\mathrm{2963}}^1$

素因数の和:3434

約数の個数: 16

約数和(自身を含む): 33007104

約数和(自身を除く): 12429069

約数列:

[1, 3, 5, 15, 463, 1389, 2315, 2963, 6945, 8889, 14815, 44445, 1371869, 4115607, 6859345, 20578035]

約数ペア:

[(1, 20578035), (3, 6859345), (5, 4115607), (15, 1371869), (463, 44445), (1389, 14815), (2315, 8889), (2963, 6945)]