20597745

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{196169}}^1$

素因数の和:196184

約数の個数: 16

約数和(自身を含む): 37664640

約数和(自身を除く): 17066895

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 196169, 588507, 980845, 1373183, 2942535, 4119549, 6865915, 20597745]

約数ペア:

[(1, 20597745), (3, 6865915), (5, 4119549), (7, 2942535), (15, 1373183), (21, 980845), (35, 588507), (105, 196169)]