20461320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5167}}^1$

素因数の和:5195

約数の個数: 96

約数和(自身を含む): 72558720

約数和(自身を除く): 52097400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 198, 220, 264, 330, 360, 396, 440, 495, 660, 792, 990, 1320, 1980, 3960, 5167, 10334, 15501, 20668, 25835, 31002, 41336, 46503, 51670, 56837, 62004, 77505, 93006, 103340, 113674, 124008, 155010, 170511, 186012, 206680, 227348, 232515, 284185, 310020, 341022, 372024, 454696, 465030, 511533, 568370, 620040, 682044, 852555, 930060, 1023066, 1136740, 1364088, 1705110, 1860120, 2046132, 2273480, 2557665, 3410220, 4092264, 5115330, 6820440, 10230660, 20461320]

約数ペア:

[(1, 20461320), (2, 10230660), (3, 6820440), (4, 5115330), (5, 4092264), (6, 3410220), (8, 2557665), (9, 2273480), (10, 2046132), (11, 1860120), (12, 1705110), (15, 1364088), (18, 1136740), (20, 1023066), (22, 930060), (24, 852555), (30, 682044), (33, 620040), (36, 568370), (40, 511533), (44, 465030), (45, 454696), (55, 372024), (60, 341022), (66, 310020), (72, 284185), (88, 232515), (90, 227348), (99, 206680), (110, 186012), (120, 170511), (132, 155010), (165, 124008), (180, 113674), (198, 103340), (220, 93006), (264, 77505), (330, 62004), (360, 56837), (396, 51670), (440, 46503), (495, 41336), (660, 31002), (792, 25835), (990, 20668), (1320, 15501), (1980, 10334), (3960, 5167)]