20081625784

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{809}}^1\times {\mathrm{907}}^1$

素因数の和:2044

約数の個数: 64

約数和(自身を含む): 41304556800

約数和(自身を除く): 21222931016

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 311, 622, 809, 907, 1244, 1618, 1814, 2488, 3236, 3421, 3628, 6472, 6842, 7256, 8899, 9977, 13684, 17798, 19954, 27368, 35596, 39908, 71192, 79816, 251599, 282077, 503198, 564154, 733763, 1006396, 1128308, 1467526, 2012792, 2256616, 2767589, 2935052, 3102847, 5535178, 5870104, 6205694, 8071393, 11070356, 12411388, 16142786, 22140712, 24822776, 32285572, 64571144, 228200293, 456400586, 912801172, 1825602344, 2510203223, 5020406446, 10040812892, 20081625784]

約数ペア:

[(1, 20081625784), (2, 10040812892), (4, 5020406446), (8, 2510203223), (11, 1825602344), (22, 912801172), (44, 456400586), (88, 228200293), (311, 64571144), (622, 32285572), (809, 24822776), (907, 22140712), (1244, 16142786), (1618, 12411388), (1814, 11070356), (2488, 8071393), (3236, 6205694), (3421, 5870104), (3628, 5535178), (6472, 3102847), (6842, 2935052), (7256, 2767589), (8899, 2256616), (9977, 2012792), (13684, 1467526), (17798, 1128308), (19954, 1006396), (27368, 733763), (35596, 564154), (39908, 503198), (71192, 282077), (79816, 251599)]