20552328

素因数分解:

$2^3\times 3^2\times {\mathrm{131}}^1\times {\mathrm{2179}}^1$

素因数の和:2322

約数の個数: 48

約数和(自身を含む): 56113200

約数和(自身を除く): 35560872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 131, 262, 393, 524, 786, 1048, 1179, 1572, 2179, 2358, 3144, 4358, 4716, 6537, 8716, 9432, 13074, 17432, 19611, 26148, 39222, 52296, 78444, 156888, 285449, 570898, 856347, 1141796, 1712694, 2283592, 2569041, 3425388, 5138082, 6850776, 10276164, 20552328]

約数ペア:

[(1, 20552328), (2, 10276164), (3, 6850776), (4, 5138082), (6, 3425388), (8, 2569041), (9, 2283592), (12, 1712694), (18, 1141796), (24, 856347), (36, 570898), (72, 285449), (131, 156888), (262, 78444), (393, 52296), (524, 39222), (786, 26148), (1048, 19611), (1179, 17432), (1572, 13074), (2179, 9432), (2358, 8716), (3144, 6537), (4358, 4716)]