20391322

素因数分解:

$2^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{179}}^1$

素因数の和:370

約数の個数: 32

約数和(自身を含む): 35942400

約数和(自身を除く): 15551078

約数列:

[1, 2, 7, 14, 79, 103, 158, 179, 206, 358, 553, 721, 1106, 1253, 1442, 2506, 8137, 14141, 16274, 18437, 28282, 36874, 56959, 98987, 113918, 129059, 197974, 258118, 1456523, 2913046, 10195661, 20391322]

約数ペア:

[(1, 20391322), (2, 10195661), (7, 2913046), (14, 1456523), (79, 258118), (103, 197974), (158, 129059), (179, 113918), (206, 98987), (358, 56959), (553, 36874), (721, 28282), (1106, 18437), (1253, 16274), (1442, 14141), (2506, 8137)]