20380954

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{15187}}^1$

素因数の和:15261

約数の個数: 16

約数和(自身を含む): 33899616

約数和(自身を除く): 13518662

約数列:

[1, 2, 11, 22, 61, 122, 671, 1342, 15187, 30374, 167057, 334114, 926407, 1852814, 10190477, 20380954]

約数ペア:

[(1, 20380954), (2, 10190477), (11, 1852814), (22, 926407), (61, 334114), (122, 167057), (671, 30374), (1342, 15187)]