20735286

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^4$

素因数の和:79

約数の個数: 60

約数和(自身を含む): 49381836

約数和(自身を除く): 28646550

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 121, 143, 169, 242, 286, 338, 363, 429, 507, 726, 858, 1014, 1573, 1859, 2197, 3146, 3718, 4394, 4719, 5577, 6591, 9438, 11154, 13182, 20449, 24167, 28561, 40898, 48334, 57122, 61347, 72501, 85683, 122694, 145002, 171366, 265837, 314171, 531674, 628342, 797511, 942513, 1595022, 1885026, 3455881, 6911762, 10367643, 20735286]

約数ペア:

[(1, 20735286), (2, 10367643), (3, 6911762), (6, 3455881), (11, 1885026), (13, 1595022), (22, 942513), (26, 797511), (33, 628342), (39, 531674), (66, 314171), (78, 265837), (121, 171366), (143, 145002), (169, 122694), (242, 85683), (286, 72501), (338, 61347), (363, 57122), (429, 48334), (507, 40898), (726, 28561), (858, 24167), (1014, 20449), (1573, 13182), (1859, 11154), (2197, 9438), (3146, 6591), (3718, 5577), (4394, 4719)]