202720810

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{494441}}^1$

素因数の和:494489

約数の個数: 16

約数和(自身を含む): 373798152

約数和(自身を除く): 171077342

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 494441, 988882, 2472205, 4944410, 20272081, 40544162, 101360405, 202720810]

約数ペア:

[(1, 202720810), (2, 101360405), (5, 40544162), (10, 20272081), (41, 4944410), (82, 2472205), (205, 988882), (410, 494441)]