20568906

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{439}}^1$

素因数の和:603

約数の個数: 48

約数和(自身を含む): 47361600

約数和(自身を除く): 26792694

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 137, 171, 274, 342, 411, 439, 822, 878, 1233, 1317, 2466, 2603, 2634, 3951, 5206, 7809, 7902, 8341, 15618, 16682, 23427, 25023, 46854, 50046, 60143, 75069, 120286, 150138, 180429, 360858, 541287, 1082574, 1142717, 2285434, 3428151, 6856302, 10284453, 20568906]

約数ペア:

[(1, 20568906), (2, 10284453), (3, 6856302), (6, 3428151), (9, 2285434), (18, 1142717), (19, 1082574), (38, 541287), (57, 360858), (114, 180429), (137, 150138), (171, 120286), (274, 75069), (342, 60143), (411, 50046), (439, 46854), (822, 25023), (878, 23427), (1233, 16682), (1317, 15618), (2466, 8341), (2603, 7902), (2634, 7809), (3951, 5206)]