20163667964

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{257}}^1\times {\mathrm{3449}}^1$

素因数の和:3779

約数の個数: 72

約数和(自身を含む): 39776788800

約数和(自身を除く): 19613120836

約数列:

[1, 2, 4, 11, 22, 44, 47, 94, 121, 188, 242, 257, 484, 514, 517, 1028, 1034, 2068, 2827, 3449, 5654, 5687, 6898, 11308, 11374, 12079, 13796, 22748, 24158, 31097, 37939, 48316, 62194, 75878, 124388, 132869, 151756, 162103, 265738, 324206, 417329, 531476, 648412, 834658, 886393, 1461559, 1669316, 1772786, 1783133, 2923118, 3545572, 3566266, 5846236, 7132532, 9750323, 19500646, 19614463, 39001292, 39228926, 41660471, 78457852, 83320942, 107253553, 166641884, 214507106, 429014212, 458265181, 916530362, 1833060724, 5040916991, 10081833982, 20163667964]

約数ペア:

[(1, 20163667964), (2, 10081833982), (4, 5040916991), (11, 1833060724), (22, 916530362), (44, 458265181), (47, 429014212), (94, 214507106), (121, 166641884), (188, 107253553), (242, 83320942), (257, 78457852), (484, 41660471), (514, 39228926), (517, 39001292), (1028, 19614463), (1034, 19500646), (2068, 9750323), (2827, 7132532), (3449, 5846236), (5654, 3566266), (5687, 3545572), (6898, 2923118), (11308, 1783133), (11374, 1772786), (12079, 1669316), (13796, 1461559), (22748, 886393), (24158, 834658), (31097, 648412), (37939, 531476), (48316, 417329), (62194, 324206), (75878, 265738), (124388, 162103), (132869, 151756)]