20674608

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{307}}^1$

素因数の和:402

約数の個数: 80

約数和(自身を含む): 56829696

約数和(自身を除く): 36155088

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 46, 48, 61, 69, 92, 122, 138, 183, 184, 244, 276, 307, 366, 368, 488, 552, 614, 732, 921, 976, 1104, 1228, 1403, 1464, 1842, 2456, 2806, 2928, 3684, 4209, 4912, 5612, 7061, 7368, 8418, 11224, 14122, 14736, 16836, 18727, 21183, 22448, 28244, 33672, 37454, 42366, 56181, 56488, 67344, 74908, 84732, 112362, 112976, 149816, 169464, 224724, 299632, 338928, 430721, 449448, 861442, 898896, 1292163, 1722884, 2584326, 3445768, 5168652, 6891536, 10337304, 20674608]

約数ペア:

[(1, 20674608), (2, 10337304), (3, 6891536), (4, 5168652), (6, 3445768), (8, 2584326), (12, 1722884), (16, 1292163), (23, 898896), (24, 861442), (46, 449448), (48, 430721), (61, 338928), (69, 299632), (92, 224724), (122, 169464), (138, 149816), (183, 112976), (184, 112362), (244, 84732), (276, 74908), (307, 67344), (366, 56488), (368, 56181), (488, 42366), (552, 37454), (614, 33672), (732, 28244), (921, 22448), (976, 21183), (1104, 18727), (1228, 16836), (1403, 14736), (1464, 14122), (1842, 11224), (2456, 8418), (2806, 7368), (2928, 7061), (3684, 5612), (4209, 4912)]