20996912146

素因数分解:

$2^1\times 7^1\times {\mathrm{1109}}^1\times {\mathrm{1352371}}^1$

素因数の和:1353489

約数の個数: 16

約数和(自身を含む): 36027190080

約数和(自身を除く): 15030277934

約数列:

[1, 2, 7, 14, 1109, 2218, 7763, 15526, 1352371, 2704742, 9466597, 18933194, 1499779439, 2999558878, 10498456073, 20996912146]

約数ペア:

[(1, 20996912146), (2, 10498456073), (7, 2999558878), (14, 1499779439), (1109, 18933194), (2218, 9466597), (7763, 2704742), (15526, 1352371)]