20886922

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{21013}}^1$

素因数の和:21093

約数の個数: 16

約数和(自身を含む): 36312192

約数和(自身を除く): 15425270

約数列:

[1, 2, 7, 14, 71, 142, 497, 994, 21013, 42026, 147091, 294182, 1491923, 2983846, 10443461, 20886922]

約数ペア:

[(1, 20886922), (2, 10443461), (7, 2983846), (14, 1491923), (71, 294182), (142, 147091), (497, 42026), (994, 21013)]