20002877890565

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1\times {\mathrm{2581961}}^1$

素因数の和:2582333

約数の個数: 32

約数和(自身を含む): 24672815758080

約数和(自身を除く): 4669937867515

約数列:

[1, 5, 71, 139, 157, 355, 695, 785, 9869, 11147, 21823, 49345, 55735, 109115, 1549433, 2581961, 7747165, 12909805, 183319231, 358892579, 405367877, 916596155, 1794462895, 2026839385, 25481373109, 28781119267, 56346134903, 127406865545, 143905596335, 281730674515, 4000575578113, 20002877890565]

約数ペア:

[(1, 20002877890565), (5, 4000575578113), (71, 281730674515), (139, 143905596335), (157, 127406865545), (355, 56346134903), (695, 28781119267), (785, 25481373109), (9869, 2026839385), (11147, 1794462895), (21823, 916596155), (49345, 405367877), (55735, 358892579), (109115, 183319231), (1549433, 12909805), (2581961, 7747165)]