20393025

素因数分解:

$3^1\times 5^2\times {\mathrm{127}}^1\times {\mathrm{2141}}^1$

素因数の和:2281

約数の個数: 24

約数和(自身を含む): 33997824

約数和(自身を除く): 13604799

約数列:

[1, 3, 5, 15, 25, 75, 127, 381, 635, 1905, 2141, 3175, 6423, 9525, 10705, 32115, 53525, 160575, 271907, 815721, 1359535, 4078605, 6797675, 20393025]

約数ペア:

[(1, 20393025), (3, 6797675), (5, 4078605), (15, 1359535), (25, 815721), (75, 271907), (127, 160575), (381, 53525), (635, 32115), (1905, 10705), (2141, 9525), (3175, 6423)]