20161651664

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{348191}}^1$

素因数の和:348264

約数の個数: 80

約数和(自身を含む): 49738530816

約数和(自身を除く): 29576879152

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 47, 56, 77, 88, 94, 112, 154, 176, 188, 308, 329, 376, 517, 616, 658, 752, 1034, 1232, 1316, 2068, 2632, 3619, 4136, 5264, 7238, 8272, 14476, 28952, 57904, 348191, 696382, 1392764, 2437337, 2785528, 3830101, 4874674, 5571056, 7660202, 9749348, 15320404, 16364977, 19498696, 26810707, 30640808, 32729954, 38997392, 53621414, 61281616, 65459908, 107242828, 114554839, 130919816, 180014747, 214485656, 229109678, 261839632, 360029494, 428971312, 458219356, 720058988, 916438712, 1260103229, 1440117976, 1832877424, 2520206458, 2880235952, 5040412916, 10080825832, 20161651664]

約数ペア:

[(1, 20161651664), (2, 10080825832), (4, 5040412916), (7, 2880235952), (8, 2520206458), (11, 1832877424), (14, 1440117976), (16, 1260103229), (22, 916438712), (28, 720058988), (44, 458219356), (47, 428971312), (56, 360029494), (77, 261839632), (88, 229109678), (94, 214485656), (112, 180014747), (154, 130919816), (176, 114554839), (188, 107242828), (308, 65459908), (329, 61281616), (376, 53621414), (517, 38997392), (616, 32729954), (658, 30640808), (752, 26810707), (1034, 19498696), (1232, 16364977), (1316, 15320404), (2068, 9749348), (2632, 7660202), (3619, 5571056), (4136, 4874674), (5264, 3830101), (7238, 2785528), (8272, 2437337), (14476, 1392764), (28952, 696382), (57904, 348191)]