20718714

素因数分解:

$2^1\times 3^1\times {\mathrm{73}}^1\times {\mathrm{47303}}^1$

素因数の和:47381

約数の個数: 16

約数和(自身を含む): 42005952

約数和(自身を除く): 21287238

約数列:

[1, 2, 3, 6, 73, 146, 219, 438, 47303, 94606, 141909, 283818, 3453119, 6906238, 10359357, 20718714]

約数ペア:

[(1, 20718714), (2, 10359357), (3, 6906238), (6, 3453119), (73, 283818), (146, 141909), (219, 94606), (438, 47303)]