20127364

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{541}}^1$

素因数の和:747

約数の個数: 24

約数和(自身を含む): 36058176

約数和(自身を除く): 15930812

約数列:

[1, 2, 4, 71, 131, 142, 262, 284, 524, 541, 1082, 2164, 9301, 18602, 37204, 38411, 70871, 76822, 141742, 153644, 283484, 5031841, 10063682, 20127364]

約数ペア:

[(1, 20127364), (2, 10063682), (4, 5031841), (71, 283484), (131, 153644), (142, 141742), (262, 76822), (284, 70871), (524, 38411), (541, 37204), (1082, 18602), (2164, 9301)]