20804535728

素因数分解:

$2^4\times {\mathrm{2819}}^1\times {\mathrm{461257}}^1$

素因数の和:464084

約数の個数: 20

約数和(自身を含む): 40323174360

約数和(自身を除く): 19518638632

約数列:

[1, 2, 4, 8, 16, 2819, 5638, 11276, 22552, 45104, 461257, 922514, 1845028, 3690056, 7380112, 1300283483, 2600566966, 5201133932, 10402267864, 20804535728]

約数ペア:

[(1, 20804535728), (2, 10402267864), (4, 5201133932), (8, 2600566966), (16, 1300283483), (2819, 7380112), (5638, 3690056), (11276, 1845028), (22552, 922514), (45104, 461257)]