20299828

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{7219}}^1$

素因数の和:7279

約数の個数: 24

約数和(自身を含む): 38410400

約数和(自身を除く): 18110572

約数列:

[1, 2, 4, 19, 37, 38, 74, 76, 148, 703, 1406, 2812, 7219, 14438, 28876, 137161, 267103, 274322, 534206, 548644, 1068412, 5074957, 10149914, 20299828]

約数ペア:

[(1, 20299828), (2, 10149914), (4, 5074957), (19, 1068412), (37, 548644), (38, 534206), (74, 274322), (76, 267103), (148, 137161), (703, 28876), (1406, 14438), (2812, 7219)]