20697866

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{337}}^1$

素因数の和:494

約数の個数: 32

約数和(自身を含む): 36796032

約数和(自身を除く): 16098166

約数列:

[1, 2, 7, 14, 41, 82, 107, 214, 287, 337, 574, 674, 749, 1498, 2359, 4387, 4718, 8774, 13817, 27634, 30709, 36059, 61418, 72118, 96719, 193438, 252413, 504826, 1478419, 2956838, 10348933, 20697866]

約数ペア:

[(1, 20697866), (2, 10348933), (7, 2956838), (14, 1478419), (41, 504826), (82, 252413), (107, 193438), (214, 96719), (287, 72118), (337, 61418), (574, 36059), (674, 30709), (749, 27634), (1498, 13817), (2359, 8774), (4387, 4718)]