20684706

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{587}}^1\times {\mathrm{839}}^1$

素因数の和:1438

約数の個数: 32

約数和(自身を含む): 47416320

約数和(自身を除く): 26731614

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 587, 839, 1174, 1678, 1761, 2517, 3522, 4109, 5034, 5873, 8218, 11746, 12327, 17619, 24654, 35238, 492493, 984986, 1477479, 2954958, 3447451, 6894902, 10342353, 20684706]

約数ペア:

[(1, 20684706), (2, 10342353), (3, 6894902), (6, 3447451), (7, 2954958), (14, 1477479), (21, 984986), (42, 492493), (587, 35238), (839, 24654), (1174, 17619), (1678, 12327), (1761, 11746), (2517, 8218), (3522, 5873), (4109, 5034)]