20328994

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{1511}}^1$

素因数の和:1582

約数の個数: 24

約数和(自身を含む): 36033984

約数和(自身を除く): 15704990

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 961, 1511, 1922, 3022, 6727, 10577, 13454, 21154, 46841, 93682, 327887, 655774, 1452071, 2904142, 10164497, 20328994]

約数ペア:

[(1, 20328994), (2, 10164497), (7, 2904142), (14, 1452071), (31, 655774), (62, 327887), (217, 93682), (434, 46841), (961, 21154), (1511, 13454), (1922, 10577), (3022, 6727)]