20565436437

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^2\times {\mathrm{157}}^1\times {\mathrm{1367}}^1$

素因数の和:1569

約数の個数: 120

約数和(自身を含む): 38288612736

約数和(自身を除く): 17723176299

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 117, 157, 169, 189, 273, 351, 471, 507, 567, 819, 1053, 1099, 1183, 1367, 1413, 1521, 2041, 2457, 3297, 3549, 4101, 4239, 4563, 6123, 7371, 9569, 9891, 10647, 12303, 12717, 13689, 14287, 17771, 18369, 26533, 28707, 29673, 31941, 36909, 42861, 53313, 55107, 79599, 86121, 89019, 95823, 110727, 124397, 128583, 159939, 165321, 185731, 214619, 231023, 238797, 258363, 373191, 385749, 479817, 557193, 643857, 693069, 716391, 775089, 1119573, 1157247, 1439451, 1502333, 1617161, 1671579, 1931571, 2079207, 2149173, 2790047, 3358719, 4506999, 4851483, 5014737, 5794713, 6237621, 8370141, 10076157, 13520997, 14554449, 15044211, 17384139, 18712863, 19530329, 25110423, 36270611, 40562991, 43663347, 58590987, 75331269, 108811833, 121688973, 130990041, 175772961, 225993807, 253894277, 326435499, 527318883, 761682831, 979306497, 1581956649, 2285048493, 2937919491, 6855145479, 20565436437]

約数ペア:

[(1, 20565436437), (3, 6855145479), (7, 2937919491), (9, 2285048493), (13, 1581956649), (21, 979306497), (27, 761682831), (39, 527318883), (63, 326435499), (81, 253894277), (91, 225993807), (117, 175772961), (157, 130990041), (169, 121688973), (189, 108811833), (273, 75331269), (351, 58590987), (471, 43663347), (507, 40562991), (567, 36270611), (819, 25110423), (1053, 19530329), (1099, 18712863), (1183, 17384139), (1367, 15044211), (1413, 14554449), (1521, 13520997), (2041, 10076157), (2457, 8370141), (3297, 6237621), (3549, 5794713), (4101, 5014737), (4239, 4851483), (4563, 4506999), (6123, 3358719), (7371, 2790047), (9569, 2149173), (9891, 2079207), (10647, 1931571), (12303, 1671579), (12717, 1617161), (13689, 1502333), (14287, 1439451), (17771, 1157247), (18369, 1119573), (26533, 775089), (28707, 716391), (29673, 693069), (31941, 643857), (36909, 557193), (42861, 479817), (53313, 385749), (55107, 373191), (79599, 258363), (86121, 238797), (89019, 231023), (95823, 214619), (110727, 185731), (124397, 165321), (128583, 159939)]