20928690

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12239}}^1$

素因数の和:12271

約数の個数: 48

約数和(自身を含む): 57283200

約数和(自身を除く): 36354510

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, 12239, 24478, 36717, 61195, 73434, 110151, 122390, 183585, 220302, 232541, 367170, 465082, 550755, 697623, 1101510, 1162705, 1395246, 2092869, 2325410, 3488115, 4185738, 6976230, 10464345, 20928690]

約数ペア:

[(1, 20928690), (2, 10464345), (3, 6976230), (5, 4185738), (6, 3488115), (9, 2325410), (10, 2092869), (15, 1395246), (18, 1162705), (19, 1101510), (30, 697623), (38, 550755), (45, 465082), (57, 367170), (90, 232541), (95, 220302), (114, 183585), (171, 122390), (190, 110151), (285, 73434), (342, 61195), (570, 36717), (855, 24478), (1710, 12239)]