20186917912

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{271}}^1\times {\mathrm{35951}}^1$

素因数の和:36272

約数の個数: 64

約数和(自身を含む): 44591984640

約数和(自身を除く): 24405066728

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 148, 259, 271, 296, 518, 542, 1036, 1084, 1897, 2072, 2168, 3794, 7588, 10027, 15176, 20054, 35951, 40108, 70189, 71902, 80216, 140378, 143804, 251657, 280756, 287608, 503314, 561512, 1006628, 1330187, 2013256, 2660374, 5320748, 9311309, 9742721, 10641496, 18622618, 19485442, 37245236, 38970884, 68199047, 74490472, 77941768, 136398094, 272796188, 360480677, 545592376, 720961354, 1441922708, 2523364739, 2883845416, 5046729478, 10093458956, 20186917912]

約数ペア:

[(1, 20186917912), (2, 10093458956), (4, 5046729478), (7, 2883845416), (8, 2523364739), (14, 1441922708), (28, 720961354), (37, 545592376), (56, 360480677), (74, 272796188), (148, 136398094), (259, 77941768), (271, 74490472), (296, 68199047), (518, 38970884), (542, 37245236), (1036, 19485442), (1084, 18622618), (1897, 10641496), (2072, 9742721), (2168, 9311309), (3794, 5320748), (7588, 2660374), (10027, 2013256), (15176, 1330187), (20054, 1006628), (35951, 561512), (40108, 503314), (70189, 287608), (71902, 280756), (80216, 251657), (140378, 143804)]