20392922

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{21557}}^1$

素因数の和:21613

約数の個数: 16

約数和(自身を含む): 34147872

約数和(自身を除く): 13754950

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 21557, 43114, 237127, 474254, 926951, 1853902, 10196461, 20392922]

約数ペア:

[(1, 20392922), (2, 10196461), (11, 1853902), (22, 926951), (43, 474254), (86, 237127), (473, 43114), (946, 21557)]