20827495

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{4513}}^1$

素因数の和:4602

約数の個数: 16

約数和(自身を含む): 27300672

約数和(自身を除く): 6473177

約数列:

[1, 5, 13, 65, 71, 355, 923, 4513, 4615, 22565, 58669, 293345, 320423, 1602115, 4165499, 20827495]

約数ペア:

[(1, 20827495), (5, 4165499), (13, 1602115), (65, 320423), (71, 293345), (355, 58669), (923, 22565), (4513, 4615)]