20030697980

素因数分解:

$2^2\times 5^1\times {\mathrm{2161}}^1\times {\mathrm{463459}}^1$

素因数の和:465629

約数の個数: 24

約数和(自身を含む): 42084021840

約数和(自身を除く): 22053323860

約数列:

[1, 2, 4, 5, 10, 20, 2161, 4322, 8644, 10805, 21610, 43220, 463459, 926918, 1853836, 2317295, 4634590, 9269180, 1001534899, 2003069798, 4006139596, 5007674495, 10015348990, 20030697980]

約数ペア:

[(1, 20030697980), (2, 10015348990), (4, 5007674495), (5, 4006139596), (10, 2003069798), (20, 1001534899), (2161, 9269180), (4322, 4634590), (8644, 2317295), (10805, 1853836), (21610, 926918), (43220, 463459)]