20372667

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{20641}}^1$

素因数の和:20698

約数の個数: 16

約数和(自身を含む): 31706112

約数和(自身を除く): 11333445

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 20641, 61923, 144487, 433461, 970127, 2910381, 6790889, 20372667]

約数ペア:

[(1, 20372667), (3, 6790889), (7, 2910381), (21, 970127), (47, 433461), (141, 144487), (329, 61923), (987, 20641)]