20629345

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{1039}}^1$

素因数の和:1093

約数の個数: 24

約数和(自身を含む): 28529280

約数和(自身を除く): 7899935

約数列:

[1, 5, 11, 19, 55, 95, 209, 361, 1039, 1045, 1805, 3971, 5195, 11429, 19741, 19855, 57145, 98705, 217151, 375079, 1085755, 1875395, 4125869, 20629345]

約数ペア:

[(1, 20629345), (5, 4125869), (11, 1875395), (19, 1085755), (55, 375079), (95, 217151), (209, 98705), (361, 57145), (1039, 19855), (1045, 19741), (1805, 11429), (3971, 5195)]