20248980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{349}}^1\times {\mathrm{967}}^1$

素因数の和:1328

約数の個数: 48

約数和(自身を含む): 56918400

約数和(自身を除く): 36669420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 349, 698, 967, 1047, 1396, 1745, 1934, 2094, 2901, 3490, 3868, 4188, 4835, 5235, 5802, 6980, 9670, 10470, 11604, 14505, 19340, 20940, 29010, 58020, 337483, 674966, 1012449, 1349932, 1687415, 2024898, 3374830, 4049796, 5062245, 6749660, 10124490, 20248980]

約数ペア:

[(1, 20248980), (2, 10124490), (3, 6749660), (4, 5062245), (5, 4049796), (6, 3374830), (10, 2024898), (12, 1687415), (15, 1349932), (20, 1012449), (30, 674966), (60, 337483), (349, 58020), (698, 29010), (967, 20940), (1047, 19340), (1396, 14505), (1745, 11604), (1934, 10470), (2094, 9670), (2901, 6980), (3490, 5802), (3868, 5235), (4188, 4835)]