20739483

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{4831}}^1$

素因数の和:4896

約数の個数: 20

約数和(自身を含む): 31572288

約数和(自身を除く): 10832805

約数列:

[1, 3, 9, 27, 53, 81, 159, 477, 1431, 4293, 4831, 14493, 43479, 130437, 256043, 391311, 768129, 2304387, 6913161, 20739483]

約数ペア:

[(1, 20739483), (3, 6913161), (9, 2304387), (27, 768129), (53, 391311), (81, 256043), (159, 130437), (477, 43479), (1431, 14493), (4293, 4831)]