20856091712

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{46309}}^1$

素因数の和:46579

約数の個数: 56

約数和(自身を含む): 42910475520

約数和(自身を除く): 22054383808

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 227, 248, 454, 496, 908, 992, 1816, 1984, 3632, 7037, 7264, 14074, 14528, 28148, 46309, 56296, 92618, 112592, 185236, 225184, 370472, 450368, 740944, 1435579, 1481888, 2871158, 2963776, 5742316, 10512143, 11484632, 21024286, 22969264, 42048572, 45938528, 84097144, 91877056, 168194288, 325876433, 336388576, 651752866, 672777152, 1303505732, 2607011464, 5214022928, 10428045856, 20856091712]

約数ペア:

[(1, 20856091712), (2, 10428045856), (4, 5214022928), (8, 2607011464), (16, 1303505732), (31, 672777152), (32, 651752866), (62, 336388576), (64, 325876433), (124, 168194288), (227, 91877056), (248, 84097144), (454, 45938528), (496, 42048572), (908, 22969264), (992, 21024286), (1816, 11484632), (1984, 10512143), (3632, 5742316), (7037, 2963776), (7264, 2871158), (14074, 1481888), (14528, 1435579), (28148, 740944), (46309, 450368), (56296, 370472), (92618, 225184), (112592, 185236)]