20080530

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{11743}}^1$

素因数の和:11775

約数の個数: 48

約数和(自身を含む): 54961920

約数和(自身を除く): 34881390

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 90, 95, 114, 171, 190, 285, 342, 570, 855, 1710, 11743, 23486, 35229, 58715, 70458, 105687, 117430, 176145, 211374, 223117, 352290, 446234, 528435, 669351, 1056870, 1115585, 1338702, 2008053, 2231170, 3346755, 4016106, 6693510, 10040265, 20080530]

約数ペア:

[(1, 20080530), (2, 10040265), (3, 6693510), (5, 4016106), (6, 3346755), (9, 2231170), (10, 2008053), (15, 1338702), (18, 1115585), (19, 1056870), (30, 669351), (38, 528435), (45, 446234), (57, 352290), (90, 223117), (95, 211374), (114, 176145), (171, 117430), (190, 105687), (285, 70458), (342, 58715), (570, 35229), (855, 23486), (1710, 11743)]