20979703

素因数分解:

${\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{277}}^1$

素因数の和:426

約数の個数: 16

約数和(自身を含む): 22818240

約数和(自身を除く): 1838537

約数列:

[1, 23, 37, 89, 277, 851, 2047, 3293, 6371, 10249, 24653, 75739, 235727, 567019, 912161, 20979703]

約数ペア:

[(1, 20979703), (23, 912161), (37, 567019), (89, 235727), (277, 75739), (851, 24653), (2047, 10249), (3293, 6371)]