20559069

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{953}}^1$

素因数の和:1026

約数の個数: 32

約数和(自身を含む): 32970240

約数和(自身を除く): 12411171

約数列:

[1, 3, 9, 17, 27, 47, 51, 141, 153, 423, 459, 799, 953, 1269, 2397, 2859, 7191, 8577, 16201, 21573, 25731, 44791, 48603, 134373, 145809, 403119, 437427, 761447, 1209357, 2284341, 6853023, 20559069]

約数ペア:

[(1, 20559069), (3, 6853023), (9, 2284341), (17, 1209357), (27, 761447), (47, 437427), (51, 403119), (141, 145809), (153, 134373), (423, 48603), (459, 44791), (799, 25731), (953, 21573), (1269, 16201), (2397, 8577), (2859, 7191)]