20429535

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{1889}}^1$

素因数の和:2007

約数の個数: 32

約数和(自身を含む): 37739520

約数和(自身を除く): 17309985

約数列:

[1, 3, 5, 7, 15, 21, 35, 103, 105, 309, 515, 721, 1545, 1889, 2163, 3605, 5667, 9445, 10815, 13223, 28335, 39669, 66115, 194567, 198345, 583701, 972835, 1361969, 2918505, 4085907, 6809845, 20429535]

約数ペア:

[(1, 20429535), (3, 6809845), (5, 4085907), (7, 2918505), (15, 1361969), (21, 972835), (35, 583701), (103, 198345), (105, 194567), (309, 66115), (515, 39669), (721, 28335), (1545, 13223), (1889, 10815), (2163, 9445), (3605, 5667)]