20381548

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{15973}}^1$

素因数の和:16017

約数の個数: 24

約数和(自身を含む): 40254480

約数和(自身を除く): 19872932

約数列:

[1, 2, 4, 11, 22, 29, 44, 58, 116, 319, 638, 1276, 15973, 31946, 63892, 175703, 351406, 463217, 702812, 926434, 1852868, 5095387, 10190774, 20381548]

約数ペア:

[(1, 20381548), (2, 10190774), (4, 5095387), (11, 1852868), (22, 926434), (29, 702812), (44, 463217), (58, 351406), (116, 175703), (319, 63892), (638, 31946), (1276, 15973)]