20759908

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{3533}}^1$

素因数の和:3663

約数の個数: 24

約数和(自身を含む): 39481848

約数和(自身を除く): 18721940

約数列:

[1, 2, 4, 13, 26, 52, 113, 226, 452, 1469, 2938, 3533, 5876, 7066, 14132, 45929, 91858, 183716, 399229, 798458, 1596916, 5189977, 10379954, 20759908]

約数ペア:

[(1, 20759908), (2, 10379954), (4, 5189977), (13, 1596916), (26, 798458), (52, 399229), (113, 183716), (226, 91858), (452, 45929), (1469, 14132), (2938, 7066), (3533, 5876)]