20095911

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{953}}^1$

素因数の和:1044

約数の個数: 32

約数和(自身を含む): 32970240

約数和(自身を除く): 12874329

約数列:

[1, 3, 9, 11, 27, 33, 71, 99, 213, 297, 639, 781, 953, 1917, 2343, 2859, 7029, 8577, 10483, 21087, 25731, 31449, 67663, 94347, 202989, 283041, 608967, 744293, 1826901, 2232879, 6698637, 20095911]

約数ペア:

[(1, 20095911), (3, 6698637), (9, 2232879), (11, 1826901), (27, 744293), (33, 608967), (71, 283041), (99, 202989), (213, 94347), (297, 67663), (639, 31449), (781, 25731), (953, 21087), (1917, 10483), (2343, 8577), (2859, 7029)]