20869660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149069}}^1$

素因数の和:149085

約数の個数: 24

約数和(自身を含む): 50087520

約数和(自身を除く): 29217860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149069, 298138, 596276, 745345, 1043483, 1490690, 2086966, 2981380, 4173932, 5217415, 10434830, 20869660]

約数ペア:

[(1, 20869660), (2, 10434830), (4, 5217415), (5, 4173932), (7, 2981380), (10, 2086966), (14, 1490690), (20, 1043483), (28, 745345), (35, 596276), (70, 298138), (140, 149069)]