20213025

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{38501}}^1$

素因数の和:38521

約数の個数: 24

約数和(自身を含む): 38193984

約数和(自身を除く): 17980959

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 525, 38501, 115503, 192505, 269507, 577515, 808521, 962525, 1347535, 2887575, 4042605, 6737675, 20213025]

約数ペア:

[(1, 20213025), (3, 6737675), (5, 4042605), (7, 2887575), (15, 1347535), (21, 962525), (25, 808521), (35, 577515), (75, 269507), (105, 192505), (175, 115503), (525, 38501)]