20874581

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{1201}}^1$

素因数の和:1412

約数の個数: 16

約数和(自身を含む): 25847808

約数和(自身を除く): 4973227

約数列:

[1, 7, 13, 91, 191, 1201, 1337, 2483, 8407, 15613, 17381, 109291, 229391, 1605737, 2982083, 20874581]

約数ペア:

[(1, 20874581), (7, 2982083), (13, 1605737), (91, 229391), (191, 109291), (1201, 17381), (1337, 15613), (2483, 8407)]