20512894600

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{1373}}^1\times {\mathrm{6791}}^1$

素因数の和:8191

約数の個数: 96

約数和(自身を含む): 52073720640

約数和(自身を除く): 31560826040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 200, 220, 275, 440, 550, 1100, 1373, 2200, 2746, 5492, 6791, 6865, 10984, 13582, 13730, 15103, 27164, 27460, 30206, 33955, 34325, 54328, 54920, 60412, 67910, 68650, 74701, 75515, 120824, 135820, 137300, 149402, 151030, 169775, 271640, 274600, 298804, 302060, 339550, 373505, 377575, 597608, 604120, 679100, 747010, 755150, 1358200, 1494020, 1510300, 1867525, 2988040, 3020600, 3735050, 7470100, 9324043, 14940200, 18648086, 37296172, 46620215, 74592344, 93240430, 102564473, 186480860, 205128946, 233101075, 372961720, 410257892, 466202150, 512822365, 820515784, 932404300, 1025644730, 1864808600, 2051289460, 2564111825, 4102578920, 5128223650, 10256447300, 20512894600]

約数ペア:

[(1, 20512894600), (2, 10256447300), (4, 5128223650), (5, 4102578920), (8, 2564111825), (10, 2051289460), (11, 1864808600), (20, 1025644730), (22, 932404300), (25, 820515784), (40, 512822365), (44, 466202150), (50, 410257892), (55, 372961720), (88, 233101075), (100, 205128946), (110, 186480860), (200, 102564473), (220, 93240430), (275, 74592344), (440, 46620215), (550, 37296172), (1100, 18648086), (1373, 14940200), (2200, 9324043), (2746, 7470100), (5492, 3735050), (6791, 3020600), (6865, 2988040), (10984, 1867525), (13582, 1510300), (13730, 1494020), (15103, 1358200), (27164, 755150), (27460, 747010), (30206, 679100), (33955, 604120), (34325, 597608), (54328, 377575), (54920, 373505), (60412, 339550), (67910, 302060), (68650, 298804), (74701, 274600), (75515, 271640), (120824, 169775), (135820, 151030), (137300, 149402)]