20222856

素因数分解:

$2^3\times 3^2\times {\mathrm{157}}^1\times {\mathrm{1789}}^1$

素因数の和:1958

約数の個数: 48

約数和(自身を含む): 55149900

約数和(自身を除く): 34927044

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 157, 314, 471, 628, 942, 1256, 1413, 1789, 1884, 2826, 3578, 3768, 5367, 5652, 7156, 10734, 11304, 14312, 16101, 21468, 32202, 42936, 64404, 128808, 280873, 561746, 842619, 1123492, 1685238, 2246984, 2527857, 3370476, 5055714, 6740952, 10111428, 20222856]

約数ペア:

[(1, 20222856), (2, 10111428), (3, 6740952), (4, 5055714), (6, 3370476), (8, 2527857), (9, 2246984), (12, 1685238), (18, 1123492), (24, 842619), (36, 561746), (72, 280873), (157, 128808), (314, 64404), (471, 42936), (628, 32202), (942, 21468), (1256, 16101), (1413, 14312), (1789, 11304), (1884, 10734), (2826, 7156), (3578, 5652), (3768, 5367)]