20373320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2437}}^1$

素因数の和:2478

約数の個数: 64

約数和(自身を含む): 52660800

約数和(自身を除く): 32287480

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 152, 190, 209, 220, 380, 418, 440, 760, 836, 1045, 1672, 2090, 2437, 4180, 4874, 8360, 9748, 12185, 19496, 24370, 26807, 46303, 48740, 53614, 92606, 97480, 107228, 134035, 185212, 214456, 231515, 268070, 370424, 463030, 509333, 536140, 926060, 1018666, 1072280, 1852120, 2037332, 2546665, 4074664, 5093330, 10186660, 20373320]

約数ペア:

[(1, 20373320), (2, 10186660), (4, 5093330), (5, 4074664), (8, 2546665), (10, 2037332), (11, 1852120), (19, 1072280), (20, 1018666), (22, 926060), (38, 536140), (40, 509333), (44, 463030), (55, 370424), (76, 268070), (88, 231515), (95, 214456), (110, 185212), (152, 134035), (190, 107228), (209, 97480), (220, 92606), (380, 53614), (418, 48740), (440, 46303), (760, 26807), (836, 24370), (1045, 19496), (1672, 12185), (2090, 9748), (2437, 8360), (4180, 4874)]