20640092

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{293}}^1\times {\mathrm{1601}}^1$

素因数の和:1909

約数の個数: 24

約数和(自身を含む): 39562992

約数和(自身を除く): 18922900

約数列:

[1, 2, 4, 11, 22, 44, 293, 586, 1172, 1601, 3202, 3223, 6404, 6446, 12892, 17611, 35222, 70444, 469093, 938186, 1876372, 5160023, 10320046, 20640092]

約数ペア:

[(1, 20640092), (2, 10320046), (4, 5160023), (11, 1876372), (22, 938186), (44, 469093), (293, 70444), (586, 35222), (1172, 17611), (1601, 12892), (3202, 6446), (3223, 6404)]