20805919612

素因数分解:

$2^2\times {\mathrm{619}}^1\times {\mathrm{1487}}^1\times {\mathrm{5651}}^1$

素因数の和:7761

約数の個数: 24

約数和(自身を含む): 36500163840

約数和(自身を除く): 15694244228

約数列:

[1, 2, 4, 619, 1238, 1487, 2476, 2974, 5651, 5948, 11302, 22604, 920453, 1840906, 3497969, 3681812, 6995938, 8403037, 13991876, 16806074, 33612148, 5201479903, 10402959806, 20805919612]

約数ペア:

[(1, 20805919612), (2, 10402959806), (4, 5201479903), (619, 33612148), (1238, 16806074), (1487, 13991876), (2476, 8403037), (2974, 6995938), (5651, 3681812), (5948, 3497969), (11302, 1840906), (22604, 920453)]