20776752

素因数分解:

$2^4\times 3^2\times {\mathrm{157}}^1\times {\mathrm{919}}^1$

素因数の和:1090

約数の個数: 60

約数和(自身を含む): 58580080

約数和(自身を除く): 37803328

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 157, 314, 471, 628, 919, 942, 1256, 1413, 1838, 1884, 2512, 2757, 2826, 3676, 3768, 5514, 5652, 7352, 7536, 8271, 11028, 11304, 14704, 16542, 22056, 22608, 33084, 44112, 66168, 132336, 144283, 288566, 432849, 577132, 865698, 1154264, 1298547, 1731396, 2308528, 2597094, 3462792, 5194188, 6925584, 10388376, 20776752]

約数ペア:

[(1, 20776752), (2, 10388376), (3, 6925584), (4, 5194188), (6, 3462792), (8, 2597094), (9, 2308528), (12, 1731396), (16, 1298547), (18, 1154264), (24, 865698), (36, 577132), (48, 432849), (72, 288566), (144, 144283), (157, 132336), (314, 66168), (471, 44112), (628, 33084), (919, 22608), (942, 22056), (1256, 16542), (1413, 14704), (1838, 11304), (1884, 11028), (2512, 8271), (2757, 7536), (2826, 7352), (3676, 5652), (3768, 5514)]