20189002379

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{1543}}^1\times {\mathrm{2437}}^1$

素因数の和:4059

約数の個数: 32

約数和(自身を含む): 25295907840

約数和(自身を除く): 5106905461

約数列:

[1, 7, 13, 59, 91, 413, 767, 1543, 2437, 5369, 10801, 17059, 20059, 31681, 91037, 140413, 143783, 221767, 637259, 1006481, 1183481, 1869179, 3760291, 8284367, 13084253, 26322037, 48883783, 221857169, 342186481, 1553000183, 2884143197, 20189002379]

約数ペア:

[(1, 20189002379), (7, 2884143197), (13, 1553000183), (59, 342186481), (91, 221857169), (413, 48883783), (767, 26322037), (1543, 13084253), (2437, 8284367), (5369, 3760291), (10801, 1869179), (17059, 1183481), (20059, 1006481), (31681, 637259), (91037, 221767), (140413, 143783)]