20936938

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{8731}}^1$

素因数の和:8853

約数の個数: 16

約数和(自身を含む): 34578720

約数和(自身を除く): 13641782

約数列:

[1, 2, 11, 22, 109, 218, 1199, 2398, 8731, 17462, 96041, 192082, 951679, 1903358, 10468469, 20936938]

約数ペア:

[(1, 20936938), (2, 10468469), (11, 1903358), (22, 951679), (109, 192082), (218, 96041), (1199, 17462), (2398, 8731)]