20700823

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{401}}^1$

素因数の和:463

約数の個数: 24

約数和(自身を含む): 25731216

約数和(自身を除く): 5030393

約数列:

[1, 11, 13, 19, 143, 209, 247, 361, 401, 2717, 3971, 4411, 4693, 5213, 7619, 51623, 57343, 83809, 99047, 144761, 1089517, 1592371, 1881893, 20700823]

約数ペア:

[(1, 20700823), (11, 1881893), (13, 1592371), (19, 1089517), (143, 144761), (209, 99047), (247, 83809), (361, 57343), (401, 51623), (2717, 7619), (3971, 5213), (4411, 4693)]