20491035

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{751}}^1$

素因数の和:883

約数の個数: 32

約数和(自身を含む): 35085312

約数和(自身を除く): 14594277

約数列:

[1, 3, 5, 15, 17, 51, 85, 107, 255, 321, 535, 751, 1605, 1819, 2253, 3755, 5457, 9095, 11265, 12767, 27285, 38301, 63835, 80357, 191505, 241071, 401785, 1205355, 1366069, 4098207, 6830345, 20491035]

約数ペア:

[(1, 20491035), (3, 6830345), (5, 4098207), (15, 1366069), (17, 1205355), (51, 401785), (85, 241071), (107, 191505), (255, 80357), (321, 63835), (535, 38301), (751, 27285), (1605, 12767), (1819, 11265), (2253, 9095), (3755, 5457)]