20049025

素因数分解:

$5^2\times {\mathrm{47}}^1\times {\mathrm{113}}^1\times {\mathrm{151}}^1$

素因数の和:321

約数の個数: 24

約数和(自身を含む): 25784064

約数和(自身を除く): 5735039

約数列:

[1, 5, 25, 47, 113, 151, 235, 565, 755, 1175, 2825, 3775, 5311, 7097, 17063, 26555, 35485, 85315, 132775, 177425, 426575, 801961, 4009805, 20049025]

約数ペア:

[(1, 20049025), (5, 4009805), (25, 801961), (47, 426575), (113, 177425), (151, 132775), (235, 85315), (565, 35485), (755, 26555), (1175, 17063), (2825, 7097), (3775, 5311)]