20291206288

素因数分解:

$2^4\times {\mathrm{21817}}^1\times {\mathrm{58129}}^1$

素因数の和:79954

約数の個数: 20

約数和(自身を含む): 39316690540

約数和(自身を除く): 19025484252

約数列:

[1, 2, 4, 8, 16, 21817, 43634, 58129, 87268, 116258, 174536, 232516, 349072, 465032, 930064, 1268200393, 2536400786, 5072801572, 10145603144, 20291206288]

約数ペア:

[(1, 20291206288), (2, 10145603144), (4, 5072801572), (8, 2536400786), (16, 1268200393), (21817, 930064), (43634, 465032), (58129, 349072), (87268, 232516), (116258, 174536)]