20163727857

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1009}}^1\times {\mathrm{1031}}^1$

素因数の和:2134

約数の個数: 64

約数和(自身を含む): 33621073920

約数和(自身を除く): 13457346063

約数列:

[1, 3, 7, 13, 21, 39, 71, 91, 213, 273, 497, 923, 1009, 1031, 1491, 2769, 3027, 3093, 6461, 7063, 7217, 13117, 13403, 19383, 21189, 21651, 39351, 40209, 71639, 73201, 91819, 93821, 214917, 219603, 275457, 281463, 501473, 512407, 931307, 951613, 1040279, 1504419, 1537221, 2793921, 2854839, 3120837, 6519149, 6661291, 7281953, 13523627, 19557447, 19983873, 21845859, 40570881, 73859809, 94665389, 221579427, 283996167, 517018663, 960177517, 1551055989, 2880532551, 6721242619, 20163727857]

約数ペア:

[(1, 20163727857), (3, 6721242619), (7, 2880532551), (13, 1551055989), (21, 960177517), (39, 517018663), (71, 283996167), (91, 221579427), (213, 94665389), (273, 73859809), (497, 40570881), (923, 21845859), (1009, 19983873), (1031, 19557447), (1491, 13523627), (2769, 7281953), (3027, 6661291), (3093, 6519149), (6461, 3120837), (7063, 2854839), (7217, 2793921), (13117, 1537221), (13403, 1504419), (19383, 1040279), (21189, 951613), (21651, 931307), (39351, 512407), (40209, 501473), (71639, 281463), (73201, 275457), (91819, 219603), (93821, 214917)]