20248025

素因数分解:

$5^2\times 7^2\times {\mathrm{16529}}^1$

素因数の和:16553

約数の個数: 18

約数和(自身を含む): 29208510

約数和(自身を除く): 8960485

約数列:

[1, 5, 7, 25, 35, 49, 175, 245, 1225, 16529, 82645, 115703, 413225, 578515, 809921, 2892575, 4049605, 20248025]

約数ペア:

[(1, 20248025), (5, 4049605), (7, 2892575), (25, 809921), (35, 578515), (49, 413225), (175, 115703), (245, 82645), (1225, 16529)]