20173337840

素因数分解:

$2^4\times 5^1\times {\mathrm{331}}^1\times {\mathrm{761833}}^1$

素因数の和:762177

約数の個数: 40

約数和(自身を含む): 47044773168

約数和(自身を除く): 26871435328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 331, 662, 1324, 1655, 2648, 3310, 5296, 6620, 13240, 26480, 761833, 1523666, 3047332, 3809165, 6094664, 7618330, 12189328, 15236660, 30473320, 60946640, 252166723, 504333446, 1008666892, 1260833615, 2017333784, 2521667230, 4034667568, 5043334460, 10086668920, 20173337840]

約数ペア:

[(1, 20173337840), (2, 10086668920), (4, 5043334460), (5, 4034667568), (8, 2521667230), (10, 2017333784), (16, 1260833615), (20, 1008666892), (40, 504333446), (80, 252166723), (331, 60946640), (662, 30473320), (1324, 15236660), (1655, 12189328), (2648, 7618330), (3310, 6094664), (5296, 3809165), (6620, 3047332), (13240, 1523666), (26480, 761833)]