20576212816

素因数分解:

$2^4\times {\mathrm{311}}^1\times {\mathrm{641}}^1\times {\mathrm{6451}}^1$

素因数の和:7411

約数の個数: 40

約数和(自身を含む): 40063203648

約数和(自身を除く): 19486990832

約数列:

[1, 2, 4, 8, 16, 311, 622, 641, 1244, 1282, 2488, 2564, 4976, 5128, 6451, 10256, 12902, 25804, 51608, 103216, 199351, 398702, 797404, 1594808, 2006261, 3189616, 4012522, 4135091, 8025044, 8270182, 16050088, 16540364, 32100176, 33080728, 66161456, 1286013301, 2572026602, 5144053204, 10288106408, 20576212816]

約数ペア:

[(1, 20576212816), (2, 10288106408), (4, 5144053204), (8, 2572026602), (16, 1286013301), (311, 66161456), (622, 33080728), (641, 32100176), (1244, 16540364), (1282, 16050088), (2488, 8270182), (2564, 8025044), (4976, 4135091), (5128, 4012522), (6451, 3189616), (10256, 2006261), (12902, 1594808), (25804, 797404), (51608, 398702), (103216, 199351)]