20845204

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{1747}}^1$

素因数の和:1927

約数の個数: 24

約数和(自身を含む): 38665760

約数和(自身を除く): 17820556

約数列:

[1, 2, 4, 19, 38, 76, 157, 314, 628, 1747, 2983, 3494, 5966, 6988, 11932, 33193, 66386, 132772, 274279, 548558, 1097116, 5211301, 10422602, 20845204]

約数ペア:

[(1, 20845204), (2, 10422602), (4, 5211301), (19, 1097116), (38, 548558), (76, 274279), (157, 132772), (314, 66386), (628, 33193), (1747, 11932), (2983, 6988), (3494, 5966)]