20386804518

素因数分解:

$2^1\times 3^3\times {\mathrm{1493}}^1\times {\mathrm{252869}}^1$

素因数の和:254373

約数の個数: 32

約数和(自身を含む): 45334533600

約数和(自身を除く): 24947729082

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 1493, 2986, 4479, 8958, 13437, 26874, 40311, 80622, 252869, 505738, 758607, 1517214, 2275821, 4551642, 6827463, 13654926, 377533417, 755066834, 1132600251, 2265200502, 3397800753, 6795601506, 10193402259, 20386804518]

約数ペア:

[(1, 20386804518), (2, 10193402259), (3, 6795601506), (6, 3397800753), (9, 2265200502), (18, 1132600251), (27, 755066834), (54, 377533417), (1493, 13654926), (2986, 6827463), (4479, 4551642), (8958, 2275821), (13437, 1517214), (26874, 758607), (40311, 505738), (80622, 252869)]