20147871220

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{938857}}^1$

素因数の和:938932

約数の個数: 48

約数和(自身を含む): 44952521040

約数和(自身を除く): 24804649820

約数列:

[1, 2, 4, 5, 10, 20, 29, 37, 58, 74, 116, 145, 148, 185, 290, 370, 580, 740, 1073, 2146, 4292, 5365, 10730, 21460, 938857, 1877714, 3755428, 4694285, 9388570, 18777140, 27226853, 34737709, 54453706, 69475418, 108907412, 136134265, 138950836, 173688545, 272268530, 347377090, 544537060, 694754180, 1007393561, 2014787122, 4029574244, 5036967805, 10073935610, 20147871220]

約数ペア:

[(1, 20147871220), (2, 10073935610), (4, 5036967805), (5, 4029574244), (10, 2014787122), (20, 1007393561), (29, 694754180), (37, 544537060), (58, 347377090), (74, 272268530), (116, 173688545), (145, 138950836), (148, 136134265), (185, 108907412), (290, 69475418), (370, 54453706), (580, 34737709), (740, 27226853), (1073, 18777140), (2146, 9388570), (4292, 4694285), (5365, 3755428), (10730, 1877714), (21460, 938857)]