20780826

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{1759}}^1$

素因数の和:1954

約数の個数: 32

約数和(自身を含む): 45619200

約数和(自身を除く): 24838374

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 179, 358, 537, 1074, 1759, 1969, 3518, 3938, 5277, 5907, 10554, 11814, 19349, 38698, 58047, 116094, 314861, 629722, 944583, 1889166, 3463471, 6926942, 10390413, 20780826]

約数ペア:

[(1, 20780826), (2, 10390413), (3, 6926942), (6, 3463471), (11, 1889166), (22, 944583), (33, 629722), (66, 314861), (179, 116094), (358, 58047), (537, 38698), (1074, 19349), (1759, 11814), (1969, 10554), (3518, 5907), (3938, 5277)]