20755768

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{1447}}^1$

素因数の和:1627

約数の個数: 32

約数和(自身を含む): 42744960

約数和(自身を除く): 21989192

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 163, 326, 652, 1304, 1447, 1793, 2894, 3586, 5788, 7172, 11576, 14344, 15917, 31834, 63668, 127336, 235861, 471722, 943444, 1886888, 2594471, 5188942, 10377884, 20755768]

約数ペア:

[(1, 20755768), (2, 10377884), (4, 5188942), (8, 2594471), (11, 1886888), (22, 943444), (44, 471722), (88, 235861), (163, 127336), (326, 63668), (652, 31834), (1304, 15917), (1447, 14344), (1793, 11576), (2894, 7172), (3586, 5788)]