20970536

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{29453}}^1$

素因数の和:29548

約数の個数: 16

約数和(自身を含む): 39762900

約数和(自身を除く): 18792364

約数列:

[1, 2, 4, 8, 89, 178, 356, 712, 29453, 58906, 117812, 235624, 2621317, 5242634, 10485268, 20970536]

約数ペア:

[(1, 20970536), (2, 10485268), (4, 5242634), (8, 2621317), (89, 235624), (178, 117812), (356, 58906), (712, 29453)]