20342503984

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1\times {\mathrm{10459}}^1$

素因数の和:10778

約数の個数: 80

約数和(自身を含む): 44171994240

約数和(自身を除く): 23829490256

約数列:

[1, 2, 4, 8, 11, 16, 22, 43, 44, 86, 88, 172, 176, 257, 344, 473, 514, 688, 946, 1028, 1892, 2056, 2827, 3784, 4112, 5654, 7568, 10459, 11051, 11308, 20918, 22102, 22616, 41836, 44204, 45232, 83672, 88408, 115049, 121561, 167344, 176816, 230098, 243122, 449737, 460196, 486244, 899474, 920392, 972488, 1798948, 1840784, 1944976, 2687963, 3597896, 4947107, 5375926, 7195792, 9894214, 10751852, 19788428, 21503704, 29567593, 39576856, 43007408, 59135186, 79153712, 115582409, 118270372, 231164818, 236540744, 462329636, 473081488, 924659272, 1271406499, 1849318544, 2542812998, 5085625996, 10171251992, 20342503984]

約数ペア:

[(1, 20342503984), (2, 10171251992), (4, 5085625996), (8, 2542812998), (11, 1849318544), (16, 1271406499), (22, 924659272), (43, 473081488), (44, 462329636), (86, 236540744), (88, 231164818), (172, 118270372), (176, 115582409), (257, 79153712), (344, 59135186), (473, 43007408), (514, 39576856), (688, 29567593), (946, 21503704), (1028, 19788428), (1892, 10751852), (2056, 9894214), (2827, 7195792), (3784, 5375926), (4112, 4947107), (5654, 3597896), (7568, 2687963), (10459, 1944976), (11051, 1840784), (11308, 1798948), (20918, 972488), (22102, 920392), (22616, 899474), (41836, 486244), (44204, 460196), (45232, 449737), (83672, 243122), (88408, 230098), (115049, 176816), (121561, 167344)]