20379075

素因数分解:

$3^1\times 5^2\times {\mathrm{163}}^1\times {\mathrm{1667}}^1$

素因数の和:1843

約数の個数: 24

約数和(自身を含む): 33920448

約数和(自身を除く): 13541373

約数列:

[1, 3, 5, 15, 25, 75, 163, 489, 815, 1667, 2445, 4075, 5001, 8335, 12225, 25005, 41675, 125025, 271721, 815163, 1358605, 4075815, 6793025, 20379075]

約数ペア:

[(1, 20379075), (3, 6793025), (5, 4075815), (15, 1358605), (25, 815163), (75, 271721), (163, 125025), (489, 41675), (815, 25005), (1667, 12225), (2445, 8335), (4075, 5001)]