20363013

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2897}}^1$

素因数の和:2985

約数の個数: 24

約数和(自身を含む): 32550336

約数和(自身を除く): 12187323

約数列:

[1, 3, 9, 11, 33, 71, 99, 213, 639, 781, 2343, 2897, 7029, 8691, 26073, 31867, 95601, 205687, 286803, 617061, 1851183, 2262557, 6787671, 20363013]

約数ペア:

[(1, 20363013), (3, 6787671), (9, 2262557), (11, 1851183), (33, 617061), (71, 286803), (99, 205687), (213, 95601), (639, 31867), (781, 26073), (2343, 8691), (2897, 7029)]