20676607

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{727}}^1$

素因数の和:990

約数の個数: 16

約数和(自身を含む): 25159680

約数和(自身を除く): 4483073

約数列:

[1, 7, 17, 119, 239, 727, 1673, 4063, 5089, 12359, 28441, 86513, 173753, 1216271, 2953801, 20676607]

約数ペア:

[(1, 20676607), (7, 2953801), (17, 1216271), (119, 173753), (239, 86513), (727, 28441), (1673, 12359), (4063, 5089)]