20516732

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{2389}}^1$

素因数の和:2525

約数の個数: 24

約数和(自身を含む): 38144400

約数和(自身を除く): 17627668

約数列:

[1, 2, 4, 19, 38, 76, 113, 226, 452, 2147, 2389, 4294, 4778, 8588, 9556, 45391, 90782, 181564, 269957, 539914, 1079828, 5129183, 10258366, 20516732]

約数ペア:

[(1, 20516732), (2, 10258366), (4, 5129183), (19, 1079828), (38, 539914), (76, 269957), (113, 181564), (226, 90782), (452, 45391), (2147, 9556), (2389, 8588), (4294, 4778)]