20963602

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{13421}}^1$

素因数の和:13505

約数の個数: 16

約数和(自身を含む): 34789824

約数和(自身を除く): 13826222

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 13421, 26842, 147631, 295262, 952891, 1905782, 10481801, 20963602]

約数ペア:

[(1, 20963602), (2, 10481801), (11, 1905782), (22, 952891), (71, 295262), (142, 147631), (781, 26842), (1562, 13421)]