30920978

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{10729}}^1$

素因数の和:10873

約数の個数: 16

約数和(自身を含む): 50988960

約数和(自身を除く): 20067982

約数列:

[1, 2, 11, 22, 131, 262, 1441, 2882, 10729, 21458, 118019, 236038, 1405499, 2810998, 15460489, 30920978]

約数ペア:

[(1, 30920978), (2, 15460489), (11, 2810998), (22, 1405499), (131, 236038), (262, 118019), (1441, 21458), (2882, 10729)]