20880147172

素因数分解:

$2^2\times {\mathrm{56431}}^1\times {\mathrm{92503}}^1$

素因数の和:148938

約数の個数: 12

約数和(自身を含む): 36541300096

約数和(自身を除く): 15661152924

約数列:

[1, 2, 4, 56431, 92503, 112862, 185006, 225724, 370012, 5220036793, 10440073586, 20880147172]

約数ペア:

[(1, 20880147172), (2, 10440073586), (4, 5220036793), (56431, 370012), (92503, 225724), (112862, 185006)]