20639464

素因数分解:

$2^3\times {\mathrm{23}}^2\times {\mathrm{4877}}^1$

素因数の和:4929

約数の個数: 24

約数和(自身を含む): 40463010

約数和(自身を除く): 19823546

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 529, 1058, 2116, 4232, 4877, 9754, 19508, 39016, 112171, 224342, 448684, 897368, 2579933, 5159866, 10319732, 20639464]

約数ペア:

[(1, 20639464), (2, 10319732), (4, 5159866), (8, 2579933), (23, 897368), (46, 448684), (92, 224342), (184, 112171), (529, 39016), (1058, 19508), (2116, 9754), (4232, 4877)]