20407956

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1409}}^1$

素因数の和:1504

約数の個数: 48

約数和(自身を含む): 51166080

約数和(自身を除く): 30758124

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 71, 102, 142, 204, 213, 284, 426, 852, 1207, 1409, 2414, 2818, 3621, 4227, 4828, 5636, 7242, 8454, 14484, 16908, 23953, 47906, 71859, 95812, 100039, 143718, 200078, 287436, 300117, 400156, 600234, 1200468, 1700663, 3401326, 5101989, 6802652, 10203978, 20407956]

約数ペア:

[(1, 20407956), (2, 10203978), (3, 6802652), (4, 5101989), (6, 3401326), (12, 1700663), (17, 1200468), (34, 600234), (51, 400156), (68, 300117), (71, 287436), (102, 200078), (142, 143718), (204, 100039), (213, 95812), (284, 71859), (426, 47906), (852, 23953), (1207, 16908), (1409, 14484), (2414, 8454), (2818, 7242), (3621, 5636), (4227, 4828)]