20353770

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1627}}^1$

素因数の和:1779

約数の個数: 48

約数和(自身を含む): 53333280

約数和(自身を除く): 32979510

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 139, 278, 417, 695, 834, 1251, 1390, 1627, 2085, 2502, 3254, 4170, 4881, 6255, 8135, 9762, 12510, 14643, 16270, 24405, 29286, 48810, 73215, 146430, 226153, 452306, 678459, 1130765, 1356918, 2035377, 2261530, 3392295, 4070754, 6784590, 10176885, 20353770]

約数ペア:

[(1, 20353770), (2, 10176885), (3, 6784590), (5, 4070754), (6, 3392295), (9, 2261530), (10, 2035377), (15, 1356918), (18, 1130765), (30, 678459), (45, 452306), (90, 226153), (139, 146430), (278, 73215), (417, 48810), (695, 29286), (834, 24405), (1251, 16270), (1390, 14643), (1627, 12510), (2085, 9762), (2502, 8135), (3254, 6255), (4170, 4881)]