20660228

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{263}}^1\times {\mathrm{479}}^1$

素因数の和:787

約数の個数: 24

約数和(自身を含む): 37255680

約数和(自身を除く): 16595452

約数列:

[1, 2, 4, 41, 82, 164, 263, 479, 526, 958, 1052, 1916, 10783, 19639, 21566, 39278, 43132, 78556, 125977, 251954, 503908, 5165057, 10330114, 20660228]

約数ペア:

[(1, 20660228), (2, 10330114), (4, 5165057), (41, 503908), (82, 251954), (164, 125977), (263, 78556), (479, 43132), (526, 39278), (958, 21566), (1052, 19639), (1916, 10783)]