20488884

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{10103}}^1$

素因数の和:10136

約数の個数: 36

約数和(自身を含む): 51772896

約数和(自身を除く): 31284012

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 169, 338, 507, 676, 1014, 2028, 10103, 20206, 30309, 40412, 60618, 121236, 131339, 262678, 394017, 525356, 788034, 1576068, 1707407, 3414814, 5122221, 6829628, 10244442, 20488884]

約数ペア:

[(1, 20488884), (2, 10244442), (3, 6829628), (4, 5122221), (6, 3414814), (12, 1707407), (13, 1576068), (26, 788034), (39, 525356), (52, 394017), (78, 262678), (156, 131339), (169, 121236), (338, 60618), (507, 40412), (676, 30309), (1014, 20206), (2028, 10103)]