20153667639

素因数分解:

$3^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{617}}^1\times {\mathrm{3803}}^1$

素因数の和:4839

約数の個数: 32

約数和(自身を含む): 30843440640

約数和(自身を除く): 10689773001

約数列:

[1, 3, 7, 21, 409, 617, 1227, 1851, 2863, 3803, 4319, 8589, 11409, 12957, 26621, 79863, 252353, 757059, 1555427, 1766471, 2346451, 4666281, 5299413, 7039353, 10887989, 16425157, 32663967, 49275471, 959698459, 2879095377, 6717889213, 20153667639]

約数ペア:

[(1, 20153667639), (3, 6717889213), (7, 2879095377), (21, 959698459), (409, 49275471), (617, 32663967), (1227, 16425157), (1851, 10887989), (2863, 7039353), (3803, 5299413), (4319, 4666281), (8589, 2346451), (11409, 1766471), (12957, 1555427), (26621, 757059), (79863, 252353)]