20018493

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{883}}^1$

素因数の和:1129

約数の個数: 24

約数和(自身を含む): 31717920

約数和(自身を除く): 11699427

約数列:

[1, 3, 9, 11, 33, 99, 229, 687, 883, 2061, 2519, 2649, 7557, 7947, 9713, 22671, 29139, 87417, 202207, 606621, 1819863, 2224277, 6672831, 20018493]

約数ペア:

[(1, 20018493), (3, 6672831), (9, 2224277), (11, 1819863), (33, 606621), (99, 202207), (229, 87417), (687, 29139), (883, 22671), (2061, 9713), (2519, 7947), (2649, 7557)]