20487782

素因数分解:

$2^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{5099}}^1$

素因数の和:5156

約数の個数: 24

約数和(自身を含む): 36628200

約数和(自身を除く): 16140418

約数列:

[1, 2, 7, 14, 41, 49, 82, 98, 287, 574, 2009, 4018, 5099, 10198, 35693, 71386, 209059, 249851, 418118, 499702, 1463413, 2926826, 10243891, 20487782]

約数ペア:

[(1, 20487782), (2, 10243891), (7, 2926826), (14, 1463413), (41, 499702), (49, 418118), (82, 249851), (98, 209059), (287, 71386), (574, 35693), (2009, 10198), (4018, 5099)]