20667070

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{121571}}^1$

素因数の和:121595

約数の個数: 16

約数和(自身を含む): 39389328

約数和(自身を除く): 18722258

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 121571, 243142, 607855, 1215710, 2066707, 4133414, 10333535, 20667070]

約数ペア:

[(1, 20667070), (2, 10333535), (5, 4133414), (10, 2066707), (17, 1215710), (34, 607855), (85, 243142), (170, 121571)]