20424215

素因数分解:

$5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{8219}}^1$

素因数の和:8302

約数の個数: 16

約数和(自身を含む): 28408320

約数和(自身を除く): 7984105

約数列:

[1, 5, 7, 35, 71, 355, 497, 2485, 8219, 41095, 57533, 287665, 583549, 2917745, 4084843, 20424215]

約数ペア:

[(1, 20424215), (5, 4084843), (7, 2917745), (35, 583549), (71, 287665), (355, 57533), (497, 41095), (2485, 8219)]