20549559

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{2797}}^1$

素因数の和:2910

約数の個数: 16

約数和(自身を含む): 28651520

約数和(自身を除く): 8101961

約数列:

[1, 3, 31, 79, 93, 237, 2449, 2797, 7347, 8391, 86707, 220963, 260121, 662889, 6849853, 20549559]

約数ペア:

[(1, 20549559), (3, 6849853), (31, 662889), (79, 260121), (93, 220963), (237, 86707), (2449, 8391), (2797, 7347)]