20017668

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{1091}}^1$

素因数の和:1248

約数の個数: 48

約数和(自身を含む): 51367680

約数和(自身を除く): 31350012

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 139, 278, 417, 556, 834, 1091, 1529, 1668, 2182, 3058, 3273, 4364, 4587, 6116, 6546, 9174, 12001, 13092, 18348, 24002, 36003, 48004, 72006, 144012, 151649, 303298, 454947, 606596, 909894, 1668139, 1819788, 3336278, 5004417, 6672556, 10008834, 20017668]

約数ペア:

[(1, 20017668), (2, 10008834), (3, 6672556), (4, 5004417), (6, 3336278), (11, 1819788), (12, 1668139), (22, 909894), (33, 606596), (44, 454947), (66, 303298), (132, 151649), (139, 144012), (278, 72006), (417, 48004), (556, 36003), (834, 24002), (1091, 18348), (1529, 13092), (1668, 12001), (2182, 9174), (3058, 6546), (3273, 6116), (4364, 4587)]