20006404

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{15679}}^1$

素因数の和:15723

約数の個数: 24

約数和(自身を含む): 39513600

約数和(自身を除く): 19507196

約数列:

[1, 2, 4, 11, 22, 29, 44, 58, 116, 319, 638, 1276, 15679, 31358, 62716, 172469, 344938, 454691, 689876, 909382, 1818764, 5001601, 10003202, 20006404]

約数ペア:

[(1, 20006404), (2, 10003202), (4, 5001601), (11, 1818764), (22, 909382), (29, 689876), (44, 454691), (58, 344938), (116, 172469), (319, 62716), (638, 31358), (1276, 15679)]