20445347

素因数分解:

${\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{431}}^1$

素因数の和:574

約数の個数: 16

約数和(自身を含む): 22861440

約数和(自身を除く): 2416093

約数列:

[1, 13, 41, 89, 431, 533, 1157, 3649, 5603, 17671, 38359, 47437, 229723, 498667, 1572719, 20445347]

約数ペア:

[(1, 20445347), (13, 1572719), (41, 498667), (89, 229723), (431, 47437), (533, 38359), (1157, 17671), (3649, 5603)]