20125525

素因数分解:

$5^2\times 7^3\times {\mathrm{2347}}^1$

素因数の和:2378

約数の個数: 24

約数和(自身を含む): 29115200

約数和(自身を除く): 8989675

約数列:

[1, 5, 7, 25, 35, 49, 175, 245, 343, 1225, 1715, 2347, 8575, 11735, 16429, 58675, 82145, 115003, 410725, 575015, 805021, 2875075, 4025105, 20125525]

約数ペア:

[(1, 20125525), (5, 4025105), (7, 2875075), (25, 805021), (35, 575015), (49, 410725), (175, 115003), (245, 82145), (343, 58675), (1225, 16429), (1715, 11735), (2347, 8575)]