20647548

素因数分解:

$2^2\times 3^4\times {\mathrm{63727}}^1$

素因数の和:63743

約数の個数: 30

約数和(自身を含む): 53977616

約数和(自身を除く): 33330068

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 63727, 127454, 191181, 254908, 382362, 573543, 764724, 1147086, 1720629, 2294172, 3441258, 5161887, 6882516, 10323774, 20647548]

約数ペア:

[(1, 20647548), (2, 10323774), (3, 6882516), (4, 5161887), (6, 3441258), (9, 2294172), (12, 1720629), (18, 1147086), (27, 764724), (36, 573543), (54, 382362), (81, 254908), (108, 191181), (162, 127454), (324, 63727)]