20959589

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1979}}^1$

素因数の和:2092

約数の個数: 16

約数和(自身を含む): 25660800

約数和(自身を除く): 4701211

約数列:

[1, 7, 17, 89, 119, 623, 1513, 1979, 10591, 13853, 33643, 176131, 235501, 1232917, 2994227, 20959589]

約数ペア:

[(1, 20959589), (7, 2994227), (17, 1232917), (89, 235501), (119, 176131), (623, 33643), (1513, 13853), (1979, 10591)]