20818824

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1259}}^1$

素因数の和:1334

約数の個数: 64

約数和(自身を含む): 57153600

約数和(自身を除く): 36334776

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 53, 78, 104, 106, 156, 159, 212, 312, 318, 424, 636, 689, 1259, 1272, 1378, 2067, 2518, 2756, 3777, 4134, 5036, 5512, 7554, 8268, 10072, 15108, 16367, 16536, 30216, 32734, 49101, 65468, 66727, 98202, 130936, 133454, 196404, 200181, 266908, 392808, 400362, 533816, 800724, 867451, 1601448, 1734902, 2602353, 3469804, 5204706, 6939608, 10409412, 20818824]

約数ペア:

[(1, 20818824), (2, 10409412), (3, 6939608), (4, 5204706), (6, 3469804), (8, 2602353), (12, 1734902), (13, 1601448), (24, 867451), (26, 800724), (39, 533816), (52, 400362), (53, 392808), (78, 266908), (104, 200181), (106, 196404), (156, 133454), (159, 130936), (212, 98202), (312, 66727), (318, 65468), (424, 49101), (636, 32734), (689, 30216), (1259, 16536), (1272, 16367), (1378, 15108), (2067, 10072), (2518, 8268), (2756, 7554), (3777, 5512), (4134, 5036)]