20706312

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1913}}^1$

素因数の和:1974

約数の個数: 64

約数和(自身を含む): 57879360

約数和(自身を除く): 37173048

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 41, 44, 66, 82, 88, 123, 132, 164, 246, 264, 328, 451, 492, 902, 984, 1353, 1804, 1913, 2706, 3608, 3826, 5412, 5739, 7652, 10824, 11478, 15304, 21043, 22956, 42086, 45912, 63129, 78433, 84172, 126258, 156866, 168344, 235299, 252516, 313732, 470598, 505032, 627464, 862763, 941196, 1725526, 1882392, 2588289, 3451052, 5176578, 6902104, 10353156, 20706312]

約数ペア:

[(1, 20706312), (2, 10353156), (3, 6902104), (4, 5176578), (6, 3451052), (8, 2588289), (11, 1882392), (12, 1725526), (22, 941196), (24, 862763), (33, 627464), (41, 505032), (44, 470598), (66, 313732), (82, 252516), (88, 235299), (123, 168344), (132, 156866), (164, 126258), (246, 84172), (264, 78433), (328, 63129), (451, 45912), (492, 42086), (902, 22956), (984, 21043), (1353, 15304), (1804, 11478), (1913, 10824), (2706, 7652), (3608, 5739), (3826, 5412)]