20969158

素因数分解:

$2^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{5783}}^1$

素因数の和:5836

約数の個数: 24

約数和(自身を含む): 37584432

約数和(自身を除く): 16615274

約数列:

[1, 2, 7, 14, 37, 49, 74, 98, 259, 518, 1813, 3626, 5783, 11566, 40481, 80962, 213971, 283367, 427942, 566734, 1497797, 2995594, 10484579, 20969158]

約数ペア:

[(1, 20969158), (2, 10484579), (7, 2995594), (14, 1497797), (37, 566734), (49, 427942), (74, 283367), (98, 213971), (259, 80962), (518, 40481), (1813, 11566), (3626, 5783)]