20985006

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{26297}}^1$

素因数の和:26328

約数の個数: 32

約数和(自身を含む): 50492160

約数和(自身を除く): 29507154

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 266, 399, 798, 26297, 52594, 78891, 157782, 184079, 368158, 499643, 552237, 999286, 1104474, 1498929, 2997858, 3497501, 6995002, 10492503, 20985006]

約数ペア:

[(1, 20985006), (2, 10492503), (3, 6995002), (6, 3497501), (7, 2997858), (14, 1498929), (19, 1104474), (21, 999286), (38, 552237), (42, 499643), (57, 368158), (114, 184079), (133, 157782), (266, 78891), (399, 52594), (798, 26297)]