20165043225652

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{39499}}^1\times {\mathrm{516721}}^1$

素因数の和:556256

約数の個数: 48

約数和(自身を含む): 40004617240000

約数和(自身を除く): 19839574014348

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 39499, 78998, 157996, 513487, 516721, 750481, 1026974, 1033442, 1500962, 2053948, 2066884, 3001924, 6717373, 9756253, 9817699, 13434746, 19512506, 19635398, 26869492, 39025012, 39270796, 127630087, 255260174, 510520348, 20409962779, 40819925558, 81639851116, 265329516127, 387789292801, 530659032254, 775578585602, 1061318064508, 1551157171204, 5041260806413, 10082521612826, 20165043225652]

約数ペア:

[(1, 20165043225652), (2, 10082521612826), (4, 5041260806413), (13, 1551157171204), (19, 1061318064508), (26, 775578585602), (38, 530659032254), (52, 387789292801), (76, 265329516127), (247, 81639851116), (494, 40819925558), (988, 20409962779), (39499, 510520348), (78998, 255260174), (157996, 127630087), (513487, 39270796), (516721, 39025012), (750481, 26869492), (1026974, 19635398), (1033442, 19512506), (1500962, 13434746), (2053948, 9817699), (2066884, 9756253), (3001924, 6717373)]