20828184

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{277}}^1$

素因数の和:540

約数の個数: 64

約数和(自身を含む): 56511840

約数和(自身を除く): 35683656

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 241, 277, 312, 482, 554, 723, 831, 964, 1108, 1446, 1662, 1928, 2216, 2892, 3133, 3324, 3601, 5784, 6266, 6648, 7202, 9399, 10803, 12532, 14404, 18798, 21606, 25064, 28808, 37596, 43212, 66757, 75192, 86424, 133514, 200271, 267028, 400542, 534056, 801084, 867841, 1602168, 1735682, 2603523, 3471364, 5207046, 6942728, 10414092, 20828184]

約数ペア:

[(1, 20828184), (2, 10414092), (3, 6942728), (4, 5207046), (6, 3471364), (8, 2603523), (12, 1735682), (13, 1602168), (24, 867841), (26, 801084), (39, 534056), (52, 400542), (78, 267028), (104, 200271), (156, 133514), (241, 86424), (277, 75192), (312, 66757), (482, 43212), (554, 37596), (723, 28808), (831, 25064), (964, 21606), (1108, 18798), (1446, 14404), (1662, 12532), (1928, 10803), (2216, 9399), (2892, 7202), (3133, 6648), (3324, 6266), (3601, 5784)]