20386190

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{769}}^1$

素因数の和:1028

約数の個数: 32

約数和(自身を含む): 40249440

約数和(自身を除く): 19863250

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 241, 482, 769, 1205, 1538, 2410, 2651, 3845, 5302, 7690, 8459, 13255, 16918, 26510, 42295, 84590, 185329, 370658, 926645, 1853290, 2038619, 4077238, 10193095, 20386190]

約数ペア:

[(1, 20386190), (2, 10193095), (5, 4077238), (10, 2038619), (11, 1853290), (22, 926645), (55, 370658), (110, 185329), (241, 84590), (482, 42295), (769, 26510), (1205, 16918), (1538, 13255), (2410, 8459), (2651, 7690), (3845, 5302)]