20899690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{293}}^1\times {\mathrm{1019}}^1$

素因数の和:1326

約数の個数: 32

約数和(自身を含む): 43182720

約数和(自身を除く): 22283030

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 293, 586, 1019, 1465, 2038, 2051, 2930, 4102, 5095, 7133, 10190, 10255, 14266, 20510, 35665, 71330, 298567, 597134, 1492835, 2089969, 2985670, 4179938, 10449845, 20899690]

約数ペア:

[(1, 20899690), (2, 10449845), (5, 4179938), (7, 2985670), (10, 2089969), (14, 1492835), (35, 597134), (70, 298567), (293, 71330), (586, 35665), (1019, 20510), (1465, 14266), (2038, 10255), (2051, 10190), (2930, 7133), (4102, 5095)]