20457508

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{1433}}^1$

素因数の和:1563

約数の個数: 24

約数和(自身を含む): 37100448

約数和(自身を除く): 16642940

約数列:

[1, 2, 4, 43, 83, 86, 166, 172, 332, 1433, 2866, 3569, 5732, 7138, 14276, 61619, 118939, 123238, 237878, 246476, 475756, 5114377, 10228754, 20457508]

約数ペア:

[(1, 20457508), (2, 10228754), (4, 5114377), (43, 475756), (83, 246476), (86, 237878), (166, 123238), (172, 118939), (332, 61619), (1433, 14276), (2866, 7138), (3569, 5732)]