20163879376

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{30737621}}^1$

素因数の和:30737670

約数の個数: 20

約数和(自身を含む): 40020383844

約数和(自身を除く): 19856504468

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 30737621, 61475242, 122950484, 245900968, 491801936, 1260242461, 2520484922, 5040969844, 10081939688, 20163879376]

約数ペア:

[(1, 20163879376), (2, 10081939688), (4, 5040969844), (8, 2520484922), (16, 1260242461), (41, 491801936), (82, 245900968), (164, 122950484), (328, 61475242), (656, 30737621)]