20475460

素因数分解:

$2^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{2311}}^1$

素因数の和:2763

約数の個数: 24

約数和(自身を含む): 43114176

約数和(自身を除く): 22638716

約数列:

[1, 2, 4, 5, 10, 20, 443, 886, 1772, 2215, 2311, 4430, 4622, 8860, 9244, 11555, 23110, 46220, 1023773, 2047546, 4095092, 5118865, 10237730, 20475460]

約数ペア:

[(1, 20475460), (2, 10237730), (4, 5118865), (5, 4095092), (10, 2047546), (20, 1023773), (443, 46220), (886, 23110), (1772, 11555), (2215, 9244), (2311, 8860), (4430, 4622)]