20429255

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1129}}^1$

素因数の和:1199

約数の個数: 32

約数和(自身を含む): 31242240

約数和(自身を除く): 10812985

約数列:

[1, 5, 7, 11, 35, 47, 55, 77, 235, 329, 385, 517, 1129, 1645, 2585, 3619, 5645, 7903, 12419, 18095, 39515, 53063, 62095, 86933, 265315, 371441, 434665, 583693, 1857205, 2918465, 4085851, 20429255]

約数ペア:

[(1, 20429255), (5, 4085851), (7, 2918465), (11, 1857205), (35, 583693), (47, 434665), (55, 371441), (77, 265315), (235, 86933), (329, 62095), (385, 53063), (517, 39515), (1129, 18095), (1645, 12419), (2585, 7903), (3619, 5645)]