20489145

素因数分解:

$3^1\times 5^1\times {\mathrm{461}}^1\times {\mathrm{2963}}^1$

素因数の和:3432

約数の個数: 16

約数和(自身を含む): 32864832

約数和(自身を除く): 12375687

約数列:

[1, 3, 5, 15, 461, 1383, 2305, 2963, 6915, 8889, 14815, 44445, 1365943, 4097829, 6829715, 20489145]

約数ペア:

[(1, 20489145), (3, 6829715), (5, 4097829), (15, 1365943), (461, 44445), (1383, 14815), (2305, 8889), (2963, 6915)]