20850555

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{1181}}^1$

素因数の和:1307

約数の個数: 32

約数和(自身を含む): 36764928

約数和(自身を除く): 15914373

約数列:

[1, 3, 5, 11, 15, 33, 55, 107, 165, 321, 535, 1177, 1181, 1605, 3531, 3543, 5885, 5905, 12991, 17655, 17715, 38973, 64955, 126367, 194865, 379101, 631835, 1390037, 1895505, 4170111, 6950185, 20850555]

約数ペア:

[(1, 20850555), (3, 6950185), (5, 4170111), (11, 1895505), (15, 1390037), (33, 631835), (55, 379101), (107, 194865), (165, 126367), (321, 64955), (535, 38973), (1177, 17715), (1181, 17655), (1605, 12991), (3531, 5905), (3543, 5885)]