20880618

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{316373}}^1$

素因数の和:316389

約数の個数: 16

約数和(自身を含む): 45557856

約数和(自身を除く): 24677238

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 316373, 632746, 949119, 1898238, 3480103, 6960206, 10440309, 20880618]

約数ペア:

[(1, 20880618), (2, 10440309), (3, 6960206), (6, 3480103), (11, 1898238), (22, 949119), (33, 632746), (66, 316373)]