20198191856

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{947027}}^1$

素因数の和:947109

約数の個数: 40

約数和(自身を含む): 41335878144

約数和(自身を除く): 21137686288

約数列:

[1, 2, 4, 8, 16, 31, 43, 62, 86, 124, 172, 248, 344, 496, 688, 1333, 2666, 5332, 10664, 21328, 947027, 1894054, 3788108, 7576216, 15152432, 29357837, 40722161, 58715674, 81444322, 117431348, 162888644, 234862696, 325777288, 469725392, 651554576, 1262386991, 2524773982, 5049547964, 10099095928, 20198191856]

約数ペア:

[(1, 20198191856), (2, 10099095928), (4, 5049547964), (8, 2524773982), (16, 1262386991), (31, 651554576), (43, 469725392), (62, 325777288), (86, 234862696), (124, 162888644), (172, 117431348), (248, 81444322), (344, 58715674), (496, 40722161), (688, 29357837), (1333, 15152432), (2666, 7576216), (5332, 3788108), (10664, 1894054), (21328, 947027)]