20915114

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{22109}}^1$

素因数の和:22165

約数の個数: 16

約数和(自身を含む): 35022240

約数和(自身を除く): 14107126

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 22109, 44218, 243199, 486398, 950687, 1901374, 10457557, 20915114]

約数ペア:

[(1, 20915114), (2, 10457557), (11, 1901374), (22, 950687), (43, 486398), (86, 243199), (473, 44218), (946, 22109)]