20399660344

素因数分解:

$2^3\times 7^1\times {\mathrm{199}}^1\times {\mathrm{947}}^1\times {\mathrm{1933}}^1$

素因数の和:3092

約数の個数: 64

約数和(自身を含む): 44002368000

約数和(自身を除く): 23602707656

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 199, 398, 796, 947, 1393, 1592, 1894, 1933, 2786, 3788, 3866, 5572, 6629, 7576, 7732, 11144, 13258, 13531, 15464, 26516, 27062, 53032, 54124, 108248, 188453, 376906, 384667, 753812, 769334, 1319171, 1507624, 1538668, 1830551, 2638342, 2692669, 3077336, 3661102, 5276684, 5385338, 7322204, 10553368, 10770676, 12813857, 14644408, 21541352, 25627714, 51255428, 102510856, 364279649, 728559298, 1457118596, 2549957543, 2914237192, 5099915086, 10199830172, 20399660344]

約数ペア:

[(1, 20399660344), (2, 10199830172), (4, 5099915086), (7, 2914237192), (8, 2549957543), (14, 1457118596), (28, 728559298), (56, 364279649), (199, 102510856), (398, 51255428), (796, 25627714), (947, 21541352), (1393, 14644408), (1592, 12813857), (1894, 10770676), (1933, 10553368), (2786, 7322204), (3788, 5385338), (3866, 5276684), (5572, 3661102), (6629, 3077336), (7576, 2692669), (7732, 2638342), (11144, 1830551), (13258, 1538668), (13531, 1507624), (15464, 1319171), (26516, 769334), (27062, 753812), (53032, 384667), (54124, 376906), (108248, 188453)]