20041809

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{4091}}^1$

素因数の和:4188

約数の個数: 16

約数和(自身を含む): 28283904

約数和(自身を除く): 8242095

約数列:

[1, 3, 23, 69, 71, 213, 1633, 4091, 4899, 12273, 94093, 282279, 290461, 871383, 6680603, 20041809]

約数ペア:

[(1, 20041809), (3, 6680603), (23, 871383), (69, 290461), (71, 282279), (213, 94093), (1633, 12273), (4091, 4899)]