20925099501

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{641}}^1\times {\mathrm{1823}}^1$

素因数の和:2641

約数の個数: 32

約数和(自身を含む): 28778692608

約数和(自身を除く): 7853593107

約数列:

[1, 3, 47, 127, 141, 381, 641, 1823, 1923, 5469, 5969, 17907, 30127, 81407, 85681, 90381, 231521, 244221, 257043, 694563, 1168543, 3505629, 3826129, 10881487, 11478387, 32644461, 54921521, 148404961, 164764563, 445214883, 6975033167, 20925099501]

約数ペア:

[(1, 20925099501), (3, 6975033167), (47, 445214883), (127, 164764563), (141, 148404961), (381, 54921521), (641, 32644461), (1823, 11478387), (1923, 10881487), (5469, 3826129), (5969, 3505629), (17907, 1168543), (30127, 694563), (81407, 257043), (85681, 244221), (90381, 231521)]