20199671653

素因数分解:

$7^3\times {\mathrm{157}}^1\times {\mathrm{375103}}^1$

素因数の和:375281

約数の個数: 16

約数和(自身を含む): 23706572800

約数和(自身を除く): 3506901147

約数列:

[1, 7, 49, 157, 343, 1099, 7693, 53851, 375103, 2625721, 18380047, 58891171, 128660329, 412238197, 2885667379, 20199671653]

約数ペア:

[(1, 20199671653), (7, 2885667379), (49, 412238197), (157, 128660329), (343, 58891171), (1099, 18380047), (7693, 2625721), (53851, 375103)]