20948025

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{39901}}^1$

素因数の和:39921

約数の個数: 24

約数和(自身を含む): 39582784

約数和(自身を除く): 18634759

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 525, 39901, 119703, 199505, 279307, 598515, 837921, 997525, 1396535, 2992575, 4189605, 6982675, 20948025]

約数ペア:

[(1, 20948025), (3, 6982675), (5, 4189605), (7, 2992575), (15, 1396535), (21, 997525), (25, 837921), (35, 598515), (75, 279307), (105, 199505), (175, 119703), (525, 39901)]