20975908

素因数分解:

$2^2\times {\mathrm{23}}^3\times {\mathrm{431}}^1$

素因数の和:504

約数の個数: 24

約数和(自身を含む): 38465280

約数和(自身を除く): 17489372

約数列:

[1, 2, 4, 23, 46, 92, 431, 529, 862, 1058, 1724, 2116, 9913, 12167, 19826, 24334, 39652, 48668, 227999, 455998, 911996, 5243977, 10487954, 20975908]

約数ペア:

[(1, 20975908), (2, 10487954), (4, 5243977), (23, 911996), (46, 455998), (92, 227999), (431, 48668), (529, 39652), (862, 24334), (1058, 19826), (1724, 12167), (2116, 9913)]