20089867876

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{809}}^1\times {\mathrm{477557}}^1$

素因数の和:478383

約数の個数: 24

約数和(自身を含む): 37908554040

約数和(自身を除く): 17818686164

約数列:

[1, 2, 4, 13, 26, 52, 809, 1618, 3236, 10517, 21034, 42068, 477557, 955114, 1910228, 6208241, 12416482, 24832964, 386343613, 772687226, 1545374452, 5022466969, 10044933938, 20089867876]

約数ペア:

[(1, 20089867876), (2, 10044933938), (4, 5022466969), (13, 1545374452), (26, 772687226), (52, 386343613), (809, 24832964), (1618, 12416482), (3236, 6208241), (10517, 1910228), (21034, 955114), (42068, 477557)]