20131444

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{193}}^1\times {\mathrm{293}}^1$

素因数の和:579

約数の個数: 24

約数和(自身を含む): 35932680

約数和(自身を除く): 15801236

約数列:

[1, 2, 4, 89, 178, 193, 293, 356, 386, 586, 772, 1172, 17177, 26077, 34354, 52154, 56549, 68708, 104308, 113098, 226196, 5032861, 10065722, 20131444]

約数ペア:

[(1, 20131444), (2, 10065722), (4, 5032861), (89, 226196), (178, 113098), (193, 104308), (293, 68708), (356, 56549), (386, 52154), (586, 34354), (772, 26077), (1172, 17177)]