20196812865

素因数分解:

$3^1\times 5^1\times {\mathrm{487}}^1\times {\mathrm{797}}^1\times {\mathrm{3469}}^1$

素因数の和:4761

約数の個数: 32

約数和(自身を含む): 32431230720

約数和(自身を除く): 12234417855

約数列:

[1, 3, 5, 15, 487, 797, 1461, 2391, 2435, 3469, 3985, 7305, 10407, 11955, 17345, 52035, 388139, 1164417, 1689403, 1940695, 2764793, 5068209, 5822085, 8294379, 8447015, 13823965, 25341045, 41471895, 1346454191, 4039362573, 6732270955, 20196812865]

約数ペア:

[(1, 20196812865), (3, 6732270955), (5, 4039362573), (15, 1346454191), (487, 41471895), (797, 25341045), (1461, 13823965), (2391, 8447015), (2435, 8294379), (3469, 5822085), (3985, 5068209), (7305, 2764793), (10407, 1940695), (11955, 1689403), (17345, 1164417), (52035, 388139)]