20799441

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{457}}^1$

素因数の和:865

約数の個数: 24

約数和(自身を含む): 32508840

約数和(自身を除く): 11709399

約数列:

[1, 3, 9, 13, 39, 117, 389, 457, 1167, 1371, 3501, 4113, 5057, 5941, 15171, 17823, 45513, 53469, 177773, 533319, 1599957, 2311049, 6933147, 20799441]

約数ペア:

[(1, 20799441), (3, 6933147), (9, 2311049), (13, 1599957), (39, 533319), (117, 177773), (389, 53469), (457, 45513), (1167, 17823), (1371, 15171), (3501, 5941), (4113, 5057)]