20598040

素因数分解:

$2^3\times 5^1\times {\mathrm{419}}^1\times {\mathrm{1229}}^1$

素因数の和:1659

約数の個数: 32

約数和(自身を含む): 46494000

約数和(自身を除く): 25895960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 419, 838, 1229, 1676, 2095, 2458, 3352, 4190, 4916, 6145, 8380, 9832, 12290, 16760, 24580, 49160, 514951, 1029902, 2059804, 2574755, 4119608, 5149510, 10299020, 20598040]

約数ペア:

[(1, 20598040), (2, 10299020), (4, 5149510), (5, 4119608), (8, 2574755), (10, 2059804), (20, 1029902), (40, 514951), (419, 49160), (838, 24580), (1229, 16760), (1676, 12290), (2095, 9832), (2458, 8380), (3352, 6145), (4190, 4916)]