20888595

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5101}}^1$

素因数の和:5132

約数の個数: 48

約数和(自身を含む): 44571072

約数和(自身を除く): 23682477

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 35, 39, 45, 63, 65, 91, 105, 117, 195, 273, 315, 455, 585, 819, 1365, 4095, 5101, 15303, 25505, 35707, 45909, 66313, 76515, 107121, 178535, 198939, 229545, 321363, 331565, 464191, 535605, 596817, 994695, 1392573, 1606815, 2320955, 2984085, 4177719, 6962865, 20888595]

約数ペア:

[(1, 20888595), (3, 6962865), (5, 4177719), (7, 2984085), (9, 2320955), (13, 1606815), (15, 1392573), (21, 994695), (35, 596817), (39, 535605), (45, 464191), (63, 331565), (65, 321363), (91, 229545), (105, 198939), (117, 178535), (195, 107121), (273, 76515), (315, 66313), (455, 45909), (585, 35707), (819, 25505), (1365, 15303), (4095, 5101)]