20867992

素因数分解:

$2^3\times {\mathrm{23}}^2\times {\mathrm{4931}}^1$

素因数の和:4983

約数の個数: 24

約数和(自身を含む): 40910940

約数和(自身を除く): 20042948

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 529, 1058, 2116, 4232, 4931, 9862, 19724, 39448, 113413, 226826, 453652, 907304, 2608499, 5216998, 10433996, 20867992]

約数ペア:

[(1, 20867992), (2, 10433996), (4, 5216998), (8, 2608499), (23, 907304), (46, 453652), (92, 226826), (184, 113413), (529, 39448), (1058, 19724), (2116, 9862), (4232, 4931)]