20152755

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{63977}}^1$

素因数の和:63995

約数の個数: 24

約数和(自身を含む): 39922272

約数和(自身を除く): 19769517

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 63977, 191931, 319885, 447839, 575793, 959655, 1343517, 2239195, 2878965, 4030551, 6717585, 20152755]

約数ペア:

[(1, 20152755), (3, 6717585), (5, 4030551), (7, 2878965), (9, 2239195), (15, 1343517), (21, 959655), (35, 575793), (45, 447839), (63, 319885), (105, 191931), (315, 63977)]