19707720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{164231}}^1$

素因数の和:164245

約数の個数: 32

約数和(自身を含む): 59123520

約数和(自身を除く): 39415800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 164231, 328462, 492693, 656924, 821155, 985386, 1313848, 1642310, 1970772, 2463465, 3284620, 3941544, 4926930, 6569240, 9853860, 19707720]

約数ペア:

[(1, 19707720), (2, 9853860), (3, 6569240), (4, 4926930), (5, 3941544), (6, 3284620), (8, 2463465), (10, 1970772), (12, 1642310), (15, 1313848), (20, 985386), (24, 821155), (30, 656924), (40, 492693), (60, 328462), (120, 164231)]