20909339931

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{769}}^1\times {\mathrm{2441}}^1$

素因数の和:3339

約数の個数: 32

約数和(自身を含む): 28882022400

約数和(自身を除く): 7972682469

約数列:

[1, 3, 47, 79, 141, 237, 769, 2307, 2441, 3713, 7323, 11139, 36143, 60751, 108429, 114727, 182253, 192839, 344181, 578517, 1877129, 2855297, 5631387, 8565891, 9063433, 27190299, 88225063, 148293191, 264675189, 444879573, 6969779977, 20909339931]

約数ペア:

[(1, 20909339931), (3, 6969779977), (47, 444879573), (79, 264675189), (141, 148293191), (237, 88225063), (769, 27190299), (2307, 9063433), (2441, 8565891), (3713, 5631387), (7323, 2855297), (11139, 1877129), (36143, 578517), (60751, 344181), (108429, 192839), (114727, 182253)]