16820145

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{12889}}^1$

素因数の和:12929

約数の個数: 24

約数和(自身を含む): 30162600

約数和(自身を除く): 13342455

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 12889, 38667, 64445, 116001, 193335, 373781, 580005, 1121343, 1868905, 3364029, 5606715, 16820145]

約数ペア:

[(1, 16820145), (3, 5606715), (5, 3364029), (9, 1868905), (15, 1121343), (29, 580005), (45, 373781), (87, 193335), (145, 116001), (261, 64445), (435, 38667), (1305, 12889)]