20084169

素因数分解:

$3^1\times 7^2\times {\mathrm{317}}^1\times {\mathrm{431}}^1$

素因数の和:765

約数の個数: 24

約数和(自身を含む): 31321728

約数和(自身を除く): 11237559

約数列:

[1, 3, 7, 21, 49, 147, 317, 431, 951, 1293, 2219, 3017, 6657, 9051, 15533, 21119, 46599, 63357, 136627, 409881, 956389, 2869167, 6694723, 20084169]

約数ペア:

[(1, 20084169), (3, 6694723), (7, 2869167), (21, 956389), (49, 409881), (147, 136627), (317, 63357), (431, 46599), (951, 21119), (1293, 15533), (2219, 9051), (3017, 6657)]