20442488

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{997}}^1$

素因数の和:1247

約数の個数: 32

約数和(自身を含む): 42035760

約数和(自身を除く): 21593272

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 233, 466, 932, 997, 1864, 1994, 2563, 3988, 5126, 7976, 10252, 10967, 20504, 21934, 43868, 87736, 232301, 464602, 929204, 1858408, 2555311, 5110622, 10221244, 20442488]

約数ペア:

[(1, 20442488), (2, 10221244), (4, 5110622), (8, 2555311), (11, 1858408), (22, 929204), (44, 464602), (88, 232301), (233, 87736), (466, 43868), (932, 21934), (997, 20504), (1864, 10967), (1994, 10252), (2563, 7976), (3988, 5126)]