20016525

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{9203}}^1$

素因数の和:9245

約数の個数: 24

約数和(自身を含む): 34238880

約数和(自身を除く): 14222355

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 145, 435, 725, 2175, 9203, 27609, 46015, 138045, 230075, 266887, 690225, 800661, 1334435, 4003305, 6672175, 20016525]

約数ペア:

[(1, 20016525), (3, 6672175), (5, 4003305), (15, 1334435), (25, 800661), (29, 690225), (75, 266887), (87, 230075), (145, 138045), (435, 46015), (725, 27609), (2175, 9203)]