20804948283

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{225829}}^1$

素因数の和:225987

約数の個数: 32

約数和(自身を含む): 32779676160

約数和(自身を除く): 11974727877

約数列:

[1, 3, 7, 21, 41, 107, 123, 287, 321, 749, 861, 2247, 4387, 13161, 30709, 92127, 225829, 677487, 1580803, 4742409, 9258989, 24163703, 27776967, 64812923, 72491109, 169145921, 194438769, 507437763, 990711823, 2972135469, 6934982761, 20804948283]

約数ペア:

[(1, 20804948283), (3, 6934982761), (7, 2972135469), (21, 990711823), (41, 507437763), (107, 194438769), (123, 169145921), (287, 72491109), (321, 64812923), (749, 27776967), (861, 24163703), (2247, 9258989), (4387, 4742409), (13161, 1580803), (30709, 677487), (92127, 225829)]