20690828

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{1201}}^1$

素因数の和:1337

約数の個数: 24

約数和(自身を含む): 37358160

約数和(自身を除く): 16667332

約数列:

[1, 2, 4, 59, 73, 118, 146, 236, 292, 1201, 2402, 4307, 4804, 8614, 17228, 70859, 87673, 141718, 175346, 283436, 350692, 5172707, 10345414, 20690828]

約数ペア:

[(1, 20690828), (2, 10345414), (4, 5172707), (59, 350692), (73, 283436), (118, 175346), (146, 141718), (236, 87673), (292, 70859), (1201, 17228), (2402, 8614), (4307, 4804)]