20563361

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{2539}}^1$

素因数の和:2648

約数の個数: 16

約数和(自身を含む): 25603200

約数和(自身を除く): 5039839

約数列:

[1, 7, 13, 89, 91, 623, 1157, 2539, 8099, 17773, 33007, 225971, 231049, 1581797, 2937623, 20563361]

約数ペア:

[(1, 20563361), (7, 2937623), (13, 1581797), (89, 231049), (91, 225971), (623, 33007), (1157, 17773), (2539, 8099)]