20656922

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{72227}}^1$

素因数の和:72253

約数の個数: 16

約数和(自身を含む): 36402912

約数和(自身を除く): 15745990

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 72227, 144454, 794497, 938951, 1588994, 1877902, 10328461, 20656922]

約数ペア:

[(1, 20656922), (2, 10328461), (11, 1877902), (13, 1588994), (22, 938951), (26, 794497), (143, 144454), (286, 72227)]