20128796

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{271}}^1\times {\mathrm{599}}^1$

素因数の和:905

約数の個数: 24

約数和(自身を含む): 36556800

約数和(自身を除く): 16428004

約数列:

[1, 2, 4, 31, 62, 124, 271, 542, 599, 1084, 1198, 2396, 8401, 16802, 18569, 33604, 37138, 74276, 162329, 324658, 649316, 5032199, 10064398, 20128796]

約数ペア:

[(1, 20128796), (2, 10064398), (4, 5032199), (31, 649316), (62, 324658), (124, 162329), (271, 74276), (542, 37138), (599, 33604), (1084, 18569), (1198, 16802), (2396, 8401)]