20218986522

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{997}}^1\times {\mathrm{22993}}^1$

素因数の和:24012

約数の個数: 72

約数和(自身を含む): 51013430676

約数和(自身を除く): 30794444154

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 441, 882, 997, 1994, 2991, 5982, 6979, 8973, 13958, 17946, 20937, 22993, 41874, 45986, 48853, 62811, 68979, 97706, 125622, 137958, 146559, 160951, 206937, 293118, 321902, 413874, 439677, 482853, 879354, 965706, 1126657, 1448559, 2253314, 2897118, 3379971, 6759942, 10139913, 20279826, 22924021, 45848042, 68772063, 137544126, 160468147, 206316189, 320936294, 412632378, 481404441, 962808882, 1123277029, 1444213323, 2246554058, 2888426646, 3369831087, 6739662174, 10109493261, 20218986522]

約数ペア:

[(1, 20218986522), (2, 10109493261), (3, 6739662174), (6, 3369831087), (7, 2888426646), (9, 2246554058), (14, 1444213323), (18, 1123277029), (21, 962808882), (42, 481404441), (49, 412632378), (63, 320936294), (98, 206316189), (126, 160468147), (147, 137544126), (294, 68772063), (441, 45848042), (882, 22924021), (997, 20279826), (1994, 10139913), (2991, 6759942), (5982, 3379971), (6979, 2897118), (8973, 2253314), (13958, 1448559), (17946, 1126657), (20937, 965706), (22993, 879354), (41874, 482853), (45986, 439677), (48853, 413874), (62811, 321902), (68979, 293118), (97706, 206937), (125622, 160951), (137958, 146559)]