20485496

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{439}}^1$

素因数の和:771

約数の個数: 32

約数和(自身を含む): 40656000

約数和(自身を除く): 20170504

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 307, 439, 614, 878, 1228, 1756, 2456, 3512, 5833, 8341, 11666, 16682, 23332, 33364, 46664, 66728, 134773, 269546, 539092, 1078184, 2560687, 5121374, 10242748, 20485496]

約数ペア:

[(1, 20485496), (2, 10242748), (4, 5121374), (8, 2560687), (19, 1078184), (38, 539092), (76, 269546), (152, 134773), (307, 66728), (439, 46664), (614, 33364), (878, 23332), (1228, 16682), (1756, 11666), (2456, 8341), (3512, 5833)]