20544814

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^2$

素因数の和:276

約数の個数: 24

約数和(自身を含む): 33381720

約数和(自身を除く): 12836906

約数列:

[1, 2, 19, 38, 53, 101, 106, 202, 1007, 1919, 2014, 3838, 5353, 10201, 10706, 20402, 101707, 193819, 203414, 387638, 540653, 1081306, 10272407, 20544814]

約数ペア:

[(1, 20544814), (2, 10272407), (19, 1081306), (38, 540653), (53, 387638), (101, 203414), (106, 193819), (202, 101707), (1007, 20402), (1919, 10706), (2014, 10201), (3838, 5353)]