20346896

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{17911}}^1$

素因数の和:17990

約数の個数: 20

約数和(自身を含む): 39979584

約数和(自身を除く): 19632688

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 17911, 35822, 71644, 143288, 286576, 1271681, 2543362, 5086724, 10173448, 20346896]

約数ペア:

[(1, 20346896), (2, 10173448), (4, 5086724), (8, 2543362), (16, 1271681), (71, 286576), (142, 143288), (284, 71644), (568, 35822), (1136, 17911)]