20678329

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{613}}^1$

素因数の和:760

約数の個数: 16

約数和(自身を含む): 24363520

約数和(自身を除く): 3685191

約数列:

[1, 7, 61, 79, 427, 553, 613, 4291, 4819, 33733, 37393, 48427, 261751, 338989, 2954047, 20678329]

約数ペア:

[(1, 20678329), (7, 2954047), (61, 338989), (79, 261751), (427, 48427), (553, 37393), (613, 33733), (4291, 4819)]