20656475556

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{347}}^1\times {\mathrm{1663}}^1$

素因数の和:2193

約数の個数: 96

約数和(自身を含む): 51236290560

約数和(自身を除く): 30579815004

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 157, 228, 314, 347, 471, 628, 694, 942, 1041, 1388, 1663, 1884, 2082, 2983, 3326, 4164, 4989, 5966, 6593, 6652, 8949, 9978, 11932, 13186, 17898, 19779, 19956, 26372, 31597, 35796, 39558, 54479, 63194, 79116, 94791, 108958, 126388, 163437, 189582, 217916, 261091, 326874, 379164, 522182, 577061, 653748, 783273, 1035101, 1044364, 1154122, 1566546, 1731183, 2070202, 2308244, 3105303, 3133092, 3462366, 4140404, 4960729, 6210606, 6924732, 9921458, 10964159, 12421212, 14882187, 19842916, 21928318, 29764374, 32892477, 43856636, 59528748, 65784954, 90598577, 131569908, 181197154, 271795731, 362394308, 543591462, 1087182924, 1721372963, 3442745926, 5164118889, 6885491852, 10328237778, 20656475556]

約数ペア:

[(1, 20656475556), (2, 10328237778), (3, 6885491852), (4, 5164118889), (6, 3442745926), (12, 1721372963), (19, 1087182924), (38, 543591462), (57, 362394308), (76, 271795731), (114, 181197154), (157, 131569908), (228, 90598577), (314, 65784954), (347, 59528748), (471, 43856636), (628, 32892477), (694, 29764374), (942, 21928318), (1041, 19842916), (1388, 14882187), (1663, 12421212), (1884, 10964159), (2082, 9921458), (2983, 6924732), (3326, 6210606), (4164, 4960729), (4989, 4140404), (5966, 3462366), (6593, 3133092), (6652, 3105303), (8949, 2308244), (9978, 2070202), (11932, 1731183), (13186, 1566546), (17898, 1154122), (19779, 1044364), (19956, 1035101), (26372, 783273), (31597, 653748), (35796, 577061), (39558, 522182), (54479, 379164), (63194, 326874), (79116, 261091), (94791, 217916), (108958, 189582), (126388, 163437)]