20596040

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{367}}^1$

素因数の和:462

約数の個数: 64

約数和(自身を含む): 49282560

約数和(自身を除く): 28686520

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 61, 92, 115, 122, 184, 230, 244, 305, 367, 460, 488, 610, 734, 920, 1220, 1403, 1468, 1835, 2440, 2806, 2936, 3670, 5612, 7015, 7340, 8441, 11224, 14030, 14680, 16882, 22387, 28060, 33764, 42205, 44774, 56120, 67528, 84410, 89548, 111935, 168820, 179096, 223870, 337640, 447740, 514901, 895480, 1029802, 2059604, 2574505, 4119208, 5149010, 10298020, 20596040]

約数ペア:

[(1, 20596040), (2, 10298020), (4, 5149010), (5, 4119208), (8, 2574505), (10, 2059604), (20, 1029802), (23, 895480), (40, 514901), (46, 447740), (61, 337640), (92, 223870), (115, 179096), (122, 168820), (184, 111935), (230, 89548), (244, 84410), (305, 67528), (367, 56120), (460, 44774), (488, 42205), (610, 33764), (734, 28060), (920, 22387), (1220, 16882), (1403, 14680), (1468, 14030), (1835, 11224), (2440, 8441), (2806, 7340), (2936, 7015), (3670, 5612)]