20802771

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{787}}^1$

素因数の和:896

約数の個数: 32

約数和(自身を含む): 34041600

約数和(自身を除く): 13238829

約数列:

[1, 3, 9, 11, 27, 33, 89, 99, 267, 297, 787, 801, 979, 2361, 2403, 2937, 7083, 8657, 8811, 21249, 25971, 26433, 70043, 77913, 210129, 233739, 630387, 770473, 1891161, 2311419, 6934257, 20802771]

約数ペア:

[(1, 20802771), (3, 6934257), (9, 2311419), (11, 1891161), (27, 770473), (33, 630387), (89, 233739), (99, 210129), (267, 77913), (297, 70043), (787, 26433), (801, 25971), (979, 21249), (2361, 8811), (2403, 8657), (2937, 7083)]