20189914947

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{449}}^1\times {\mathrm{217229}}^1$

素因数の和:217707

約数の個数: 24

約数和(自身を含む): 30499092000

約数和(自身を除く): 10309177053

約数列:

[1, 3, 9, 23, 69, 207, 449, 1347, 4041, 10327, 30981, 92943, 217229, 651687, 1955061, 4996267, 14988801, 44966403, 97535821, 292607463, 877822389, 2243323883, 6729971649, 20189914947]

約数ペア:

[(1, 20189914947), (3, 6729971649), (9, 2243323883), (23, 877822389), (69, 292607463), (207, 97535821), (449, 44966403), (1347, 14988801), (4041, 4996267), (10327, 1955061), (30981, 651687), (92943, 217229)]