20804245

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{54037}}^1$

素因数の和:54060

約数の個数: 16

約数和(自身を含む): 31125888

約数和(自身を除く): 10321643

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 54037, 270185, 378259, 594407, 1891295, 2972035, 4160849, 20804245]

約数ペア:

[(1, 20804245), (5, 4160849), (7, 2972035), (11, 1891295), (35, 594407), (55, 378259), (77, 270185), (385, 54037)]