20163893500

素因数分解:

$2^2\times 5^3\times {\mathrm{71}}^1\times {\mathrm{567997}}^1$

素因数の和:568087

約数の個数: 48

約数和(自身を含む): 44658274752

約数和(自身を除く): 24494381252

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 125, 142, 250, 284, 355, 500, 710, 1420, 1775, 3550, 7100, 8875, 17750, 35500, 567997, 1135994, 2271988, 2839985, 5679970, 11359940, 14199925, 28399850, 40327787, 56799700, 70999625, 80655574, 141999250, 161311148, 201638935, 283998500, 403277870, 806555740, 1008194675, 2016389350, 4032778700, 5040973375, 10081946750, 20163893500]

約数ペア:

[(1, 20163893500), (2, 10081946750), (4, 5040973375), (5, 4032778700), (10, 2016389350), (20, 1008194675), (25, 806555740), (50, 403277870), (71, 283998500), (100, 201638935), (125, 161311148), (142, 141999250), (250, 80655574), (284, 70999625), (355, 56799700), (500, 40327787), (710, 28399850), (1420, 14199925), (1775, 11359940), (3550, 5679970), (7100, 2839985), (8875, 2271988), (17750, 1135994), (35500, 567997)]