20237500336

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{277}}^1\times {\mathrm{881}}^1$

素因数の和:1310

約数の個数: 80

約数和(自身を含む): 40498532928

約数和(自身を除く): 20261032592

約数列:

[1, 2, 4, 8, 16, 71, 73, 142, 146, 277, 284, 292, 554, 568, 584, 881, 1108, 1136, 1168, 1762, 2216, 3524, 4432, 5183, 7048, 10366, 14096, 19667, 20221, 20732, 39334, 40442, 41464, 62551, 64313, 78668, 80884, 82928, 125102, 128626, 157336, 161768, 244037, 250204, 257252, 314672, 323536, 488074, 500408, 514504, 976148, 1000816, 1029008, 1435691, 1952296, 2871382, 3904592, 4566223, 5742764, 9132446, 11485528, 17326627, 17814701, 18264892, 22971056, 34653254, 35629402, 36529784, 69306508, 71258804, 73059568, 138613016, 142517608, 277226032, 285035216, 1264843771, 2529687542, 5059375084, 10118750168, 20237500336]

約数ペア:

[(1, 20237500336), (2, 10118750168), (4, 5059375084), (8, 2529687542), (16, 1264843771), (71, 285035216), (73, 277226032), (142, 142517608), (146, 138613016), (277, 73059568), (284, 71258804), (292, 69306508), (554, 36529784), (568, 35629402), (584, 34653254), (881, 22971056), (1108, 18264892), (1136, 17814701), (1168, 17326627), (1762, 11485528), (2216, 9132446), (3524, 5742764), (4432, 4566223), (5183, 3904592), (7048, 2871382), (10366, 1952296), (14096, 1435691), (19667, 1029008), (20221, 1000816), (20732, 976148), (39334, 514504), (40442, 500408), (41464, 488074), (62551, 323536), (64313, 314672), (78668, 257252), (80884, 250204), (82928, 244037), (125102, 161768), (128626, 157336)]