20197942641

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{525947}}^1$

素因数の和:526221

約数の個数: 24

約数和(自身を含む): 31014101664

約数和(自身を除く): 10816159023

約数列:

[1, 3, 9, 17, 51, 153, 251, 753, 2259, 4267, 12801, 38403, 525947, 1577841, 4733523, 8941099, 26823297, 80469891, 132012697, 396038091, 1188114273, 2244215849, 6732647547, 20197942641]

約数ペア:

[(1, 20197942641), (3, 6732647547), (9, 2244215849), (17, 1188114273), (51, 396038091), (153, 132012697), (251, 80469891), (753, 26823297), (2259, 8941099), (4267, 4733523), (12801, 1577841), (38403, 525947)]