20023731

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1063}}^1$

素因数の和:1112

約数の個数: 48

約数和(自身を含む): 37180416

約数和(自身を除く): 17156685

約数列:

[1, 3, 7, 9, 13, 21, 23, 39, 63, 69, 91, 117, 161, 207, 273, 299, 483, 819, 897, 1063, 1449, 2093, 2691, 3189, 6279, 7441, 9567, 13819, 18837, 22323, 24449, 41457, 66969, 73347, 96733, 124371, 171143, 220041, 290199, 317837, 513429, 870597, 953511, 1540287, 2224859, 2860533, 6674577, 20023731]

約数ペア:

[(1, 20023731), (3, 6674577), (7, 2860533), (9, 2224859), (13, 1540287), (21, 953511), (23, 870597), (39, 513429), (63, 317837), (69, 290199), (91, 220041), (117, 171143), (161, 124371), (207, 96733), (273, 73347), (299, 66969), (483, 41457), (819, 24449), (897, 22323), (1063, 18837), (1449, 13819), (2093, 9567), (2691, 7441), (3189, 6279)]