20976696

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{307}}^1$

素因数の和:405

約数の個数: 96

約数和(自身を含む): 62222160

約数和(自身を除く): 41245464

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 73, 78, 104, 117, 146, 156, 219, 234, 292, 307, 312, 438, 468, 584, 614, 657, 876, 921, 936, 949, 1228, 1314, 1752, 1842, 1898, 2456, 2628, 2763, 2847, 3684, 3796, 3991, 5256, 5526, 5694, 7368, 7592, 7982, 8541, 11052, 11388, 11973, 15964, 17082, 22104, 22411, 22776, 23946, 31928, 34164, 35919, 44822, 47892, 67233, 68328, 71838, 89644, 95784, 134466, 143676, 179288, 201699, 268932, 287352, 291343, 403398, 537864, 582686, 806796, 874029, 1165372, 1613592, 1748058, 2330744, 2622087, 3496116, 5244174, 6992232, 10488348, 20976696]

約数ペア:

[(1, 20976696), (2, 10488348), (3, 6992232), (4, 5244174), (6, 3496116), (8, 2622087), (9, 2330744), (12, 1748058), (13, 1613592), (18, 1165372), (24, 874029), (26, 806796), (36, 582686), (39, 537864), (52, 403398), (72, 291343), (73, 287352), (78, 268932), (104, 201699), (117, 179288), (146, 143676), (156, 134466), (219, 95784), (234, 89644), (292, 71838), (307, 68328), (312, 67233), (438, 47892), (468, 44822), (584, 35919), (614, 34164), (657, 31928), (876, 23946), (921, 22776), (936, 22411), (949, 22104), (1228, 17082), (1314, 15964), (1752, 11973), (1842, 11388), (1898, 11052), (2456, 8541), (2628, 7982), (2763, 7592), (2847, 7368), (3684, 5694), (3796, 5526), (3991, 5256)]