20216457092

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{691}}^1\times {\mathrm{562631}}^1$

素因数の和:563339

約数の個数: 24

約数和(自身を含む): 38155451712

約数和(自身を除く): 17938994620

約数列:

[1, 2, 4, 13, 26, 52, 691, 1382, 2764, 8983, 17966, 35932, 562631, 1125262, 2250524, 7314203, 14628406, 29256812, 388778021, 777556042, 1555112084, 5054114273, 10108228546, 20216457092]

約数ペア:

[(1, 20216457092), (2, 10108228546), (4, 5054114273), (13, 1555112084), (26, 777556042), (52, 388778021), (691, 29256812), (1382, 14628406), (2764, 7314203), (8983, 2250524), (17966, 1125262), (35932, 562631)]