20316395

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{521}}^1\times {\mathrm{709}}^1$

素因数の和:1246

約数の個数: 16

約数和(自身を含む): 26684640

約数和(自身を除く): 6368245

約数列:

[1, 5, 11, 55, 521, 709, 2605, 3545, 5731, 7799, 28655, 38995, 369389, 1846945, 4063279, 20316395]

約数ペア:

[(1, 20316395), (5, 4063279), (11, 1846945), (55, 369389), (521, 38995), (709, 28655), (2605, 7799), (3545, 5731)]