20295775

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{751}}^1$

素因数の和:831

約数の個数: 24

約数和(自身を含む): 26855424

約数和(自身を除く): 6559649

約数列:

[1, 5, 23, 25, 47, 115, 235, 575, 751, 1081, 1175, 3755, 5405, 17273, 18775, 27025, 35297, 86365, 176485, 431825, 811831, 882425, 4059155, 20295775]

約数ペア:

[(1, 20295775), (5, 4059155), (23, 882425), (25, 811831), (47, 431825), (115, 176485), (235, 86365), (575, 35297), (751, 27025), (1081, 18775), (1175, 17273), (3755, 5405)]