20491146

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1307}}^1$

素因数の和:1395

約数の個数: 48

約数和(自身を含む): 48563424

約数和(自身を除く): 28072278

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 67, 78, 117, 134, 201, 234, 402, 603, 871, 1206, 1307, 1742, 2613, 2614, 3921, 5226, 7839, 7842, 11763, 15678, 16991, 23526, 33982, 50973, 87569, 101946, 152919, 175138, 262707, 305838, 525414, 788121, 1138397, 1576242, 2276794, 3415191, 6830382, 10245573, 20491146]

約数ペア:

[(1, 20491146), (2, 10245573), (3, 6830382), (6, 3415191), (9, 2276794), (13, 1576242), (18, 1138397), (26, 788121), (39, 525414), (67, 305838), (78, 262707), (117, 175138), (134, 152919), (201, 101946), (234, 87569), (402, 50973), (603, 33982), (871, 23526), (1206, 16991), (1307, 15678), (1742, 11763), (2613, 7842), (2614, 7839), (3921, 5226)]