20391636

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{5261}}^1$

素因数の和:5304

約数の個数: 48

約数和(自身を含む): 53040960

約数和(自身を除く): 32649324

約数列:

[1, 2, 3, 4, 6, 12, 17, 19, 34, 38, 51, 57, 68, 76, 102, 114, 204, 228, 323, 646, 969, 1292, 1938, 3876, 5261, 10522, 15783, 21044, 31566, 63132, 89437, 99959, 178874, 199918, 268311, 299877, 357748, 399836, 536622, 599754, 1073244, 1199508, 1699303, 3398606, 5097909, 6797212, 10195818, 20391636]

約数ペア:

[(1, 20391636), (2, 10195818), (3, 6797212), (4, 5097909), (6, 3398606), (12, 1699303), (17, 1199508), (19, 1073244), (34, 599754), (38, 536622), (51, 399836), (57, 357748), (68, 299877), (76, 268311), (102, 199918), (114, 178874), (204, 99959), (228, 89437), (323, 63132), (646, 31566), (969, 21044), (1292, 15783), (1938, 10522), (3876, 5261)]