20739472008

素因数分解:

$2^3\times 3^1\times {\mathrm{521}}^1\times {\mathrm{1658627}}^1$

素因数の和:1659157

約数の個数: 32

約数和(自身を含む): 51948228960

約数和(自身を除く): 31208756952

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 521, 1042, 1563, 2084, 3126, 4168, 6252, 12504, 1658627, 3317254, 4975881, 6634508, 9951762, 13269016, 19903524, 39807048, 864144667, 1728289334, 2592434001, 3456578668, 5184868002, 6913157336, 10369736004, 20739472008]

約数ペア:

[(1, 20739472008), (2, 10369736004), (3, 6913157336), (4, 5184868002), (6, 3456578668), (8, 2592434001), (12, 1728289334), (24, 864144667), (521, 39807048), (1042, 19903524), (1563, 13269016), (2084, 9951762), (3126, 6634508), (4168, 4975881), (6252, 3317254), (12504, 1658627)]