20998714

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{317}}^1\times {\mathrm{3011}}^1$

素因数の和:3341

約数の個数: 16

約数和(自身を含む): 34481376

約数和(自身を除く): 13482662

約数列:

[1, 2, 11, 22, 317, 634, 3011, 3487, 6022, 6974, 33121, 66242, 954487, 1908974, 10499357, 20998714]

約数ペア:

[(1, 20998714), (2, 10499357), (11, 1908974), (22, 954487), (317, 66242), (634, 33121), (3011, 6974), (3487, 6022)]