20381925

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{9371}}^1$

素因数の和:9413

約数の個数: 24

約数和(自身を含む): 34863840

約数和(自身を除く): 14481915

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 145, 435, 725, 2175, 9371, 28113, 46855, 140565, 234275, 271759, 702825, 815277, 1358795, 4076385, 6793975, 20381925]

約数ペア:

[(1, 20381925), (3, 6793975), (5, 4076385), (15, 1358795), (25, 815277), (29, 702825), (75, 271759), (87, 234275), (145, 140565), (435, 46855), (725, 28113), (2175, 9371)]