20198204

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{29879}}^1$

素因数の和:29909

約数の個数: 18

約数和(自身を含む): 38276280

約数和(自身を除く): 18078076

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 29879, 59758, 119516, 388427, 776854, 1553708, 5049551, 10099102, 20198204]

約数ペア:

[(1, 20198204), (2, 10099102), (4, 5049551), (13, 1553708), (26, 776854), (52, 388427), (169, 119516), (338, 59758), (676, 29879)]