20168025

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{14153}}^1$

素因数の和:14185

約数の個数: 24

約数和(自身を含む): 35101920

約数和(自身を除く): 14933895

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 285, 475, 1425, 14153, 42459, 70765, 212295, 268907, 353825, 806721, 1061475, 1344535, 4033605, 6722675, 20168025]

約数ペア:

[(1, 20168025), (3, 6722675), (5, 4033605), (15, 1344535), (19, 1061475), (25, 806721), (57, 353825), (75, 268907), (95, 212295), (285, 70765), (475, 42459), (1425, 14153)]