19723740460

素因数分解:

$2^2\times 5^1\times {\mathrm{68863}}^1\times {\mathrm{14321}}^1$

素因数の和:83193

約数の個数: 24

約数和(自身を含む): 41423348736

約数和(自身を除く): 21699608276

約数列:

[1, 2, 4, 5, 10, 20, 14321, 28642, 57284, 68863, 71605, 137726, 143210, 275452, 286420, 344315, 688630, 1377260, 986187023, 1972374046, 3944748092, 4930935115, 9861870230, 19723740460]

約数ペア:

[(1, 19723740460), (2, 9861870230), (4, 4930935115), (5, 3944748092), (10, 1972374046), (20, 986187023), (14321, 1377260), (28642, 688630), (57284, 344315), (68863, 286420), (71605, 275452), (137726, 143210)]