20984274

素因数分解:

$2^1\times 3^2\times {\mathrm{139}}^1\times {\mathrm{8387}}^1$

素因数の和:8534

約数の個数: 24

約数和(自身を含む): 45798480

約数和(自身を除く): 24814206

約数列:

[1, 2, 3, 6, 9, 18, 139, 278, 417, 834, 1251, 2502, 8387, 16774, 25161, 50322, 75483, 150966, 1165793, 2331586, 3497379, 6994758, 10492137, 20984274]

約数ペア:

[(1, 20984274), (2, 10492137), (3, 6994758), (6, 3497379), (9, 2331586), (18, 1165793), (139, 150966), (278, 75483), (417, 50322), (834, 25161), (1251, 16774), (2502, 8387)]