20305791

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{443}}^1\times {\mathrm{463}}^1$

素因数の和:923

約数の個数: 24

約数和(自身を含む): 32138496

約数和(自身を除く): 11832705

約数列:

[1, 3, 9, 11, 33, 99, 443, 463, 1329, 1389, 3987, 4167, 4873, 5093, 14619, 15279, 43857, 45837, 205109, 615327, 1845981, 2256199, 6768597, 20305791]

約数ペア:

[(1, 20305791), (3, 6768597), (9, 2256199), (11, 1845981), (33, 615327), (99, 205109), (443, 45837), (463, 43857), (1329, 15279), (1389, 14619), (3987, 5093), (4167, 4873)]