20607628

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{1031}}^1$

素因数の和:1317

約数の個数: 24

約数和(自身を含む): 38142720

約数和(自身を除く): 17535092

約数列:

[1, 2, 4, 19, 38, 76, 263, 526, 1031, 1052, 2062, 4124, 4997, 9994, 19589, 19988, 39178, 78356, 271153, 542306, 1084612, 5151907, 10303814, 20607628]

約数ペア:

[(1, 20607628), (2, 10303814), (4, 5151907), (19, 1084612), (38, 542306), (76, 271153), (263, 78356), (526, 39178), (1031, 19988), (1052, 19589), (2062, 9994), (4124, 4997)]