20304025

素因数分解:

$5^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{739}}^1$

素因数の和:913

約数の個数: 24

約数和(自身を含む): 28996160

約数和(自身を除く): 8692135

約数列:

[1, 5, 7, 25, 35, 157, 175, 739, 785, 1099, 3695, 3925, 5173, 5495, 18475, 25865, 27475, 116023, 129325, 580115, 812161, 2900575, 4060805, 20304025]

約数ペア:

[(1, 20304025), (5, 4060805), (7, 2900575), (25, 812161), (35, 580115), (157, 129325), (175, 116023), (739, 27475), (785, 25865), (1099, 18475), (3695, 5495), (3925, 5173)]