20709964

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{461}}^1\times {\mathrm{1021}}^1$

素因数の和:1497

約数の個数: 24

約数和(自身を含む): 39661776

約数和(自身を除く): 18951812

約数列:

[1, 2, 4, 11, 22, 44, 461, 922, 1021, 1844, 2042, 4084, 5071, 10142, 11231, 20284, 22462, 44924, 470681, 941362, 1882724, 5177491, 10354982, 20709964]

約数ペア:

[(1, 20709964), (2, 10354982), (4, 5177491), (11, 1882724), (22, 941362), (44, 470681), (461, 44924), (922, 22462), (1021, 20284), (1844, 11231), (2042, 10142), (4084, 5071)]