20804060072

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{829}}^1\times {\mathrm{2153}}^1$

素因数の和:3066

約数の個数: 64

約数和(自身を含む): 41191372800

約数和(自身を除く): 20387312728

約数列:

[1, 2, 4, 8, 31, 47, 62, 94, 124, 188, 248, 376, 829, 1457, 1658, 2153, 2914, 3316, 4306, 5828, 6632, 8612, 11656, 17224, 25699, 38963, 51398, 66743, 77926, 101191, 102796, 133486, 155852, 202382, 205592, 266972, 311704, 404764, 533944, 809528, 1207853, 1784837, 2415706, 3136921, 3569674, 4831412, 6273842, 7139348, 9662824, 12547684, 14278696, 25095368, 55329947, 83887339, 110659894, 167774678, 221319788, 335549356, 442639576, 671098712, 2600507509, 5201015018, 10402030036, 20804060072]

約数ペア:

[(1, 20804060072), (2, 10402030036), (4, 5201015018), (8, 2600507509), (31, 671098712), (47, 442639576), (62, 335549356), (94, 221319788), (124, 167774678), (188, 110659894), (248, 83887339), (376, 55329947), (829, 25095368), (1457, 14278696), (1658, 12547684), (2153, 9662824), (2914, 7139348), (3316, 6273842), (4306, 4831412), (5828, 3569674), (6632, 3136921), (8612, 2415706), (11656, 1784837), (17224, 1207853), (25699, 809528), (38963, 533944), (51398, 404764), (66743, 311704), (77926, 266972), (101191, 205592), (102796, 202382), (133486, 155852)]