20431698

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{4723}}^1$

素因数の和:4838

約数の個数: 32

約数和(自身を含む): 47164416

約数和(自身を除く): 26732718

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 103, 206, 309, 618, 721, 1442, 2163, 4326, 4723, 9446, 14169, 28338, 33061, 66122, 99183, 198366, 486469, 972938, 1459407, 2918814, 3405283, 6810566, 10215849, 20431698]

約数ペア:

[(1, 20431698), (2, 10215849), (3, 6810566), (6, 3405283), (7, 2918814), (14, 1459407), (21, 972938), (42, 486469), (103, 198366), (206, 99183), (309, 66122), (618, 33061), (721, 28338), (1442, 14169), (2163, 9446), (4326, 4723)]