20455776

素因数分解:

$2^5\times 3^2\times {\mathrm{11}}^2\times {\mathrm{587}}^1$

素因数の和:625

約数の個数: 108

約数和(自身を含む): 64049076

約数和(自身を除く): 43593300

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 32, 33, 36, 44, 48, 66, 72, 88, 96, 99, 121, 132, 144, 176, 198, 242, 264, 288, 352, 363, 396, 484, 528, 587, 726, 792, 968, 1056, 1089, 1174, 1452, 1584, 1761, 1936, 2178, 2348, 2904, 3168, 3522, 3872, 4356, 4696, 5283, 5808, 6457, 7044, 8712, 9392, 10566, 11616, 12914, 14088, 17424, 18784, 19371, 21132, 25828, 28176, 34848, 38742, 42264, 51656, 56352, 58113, 71027, 77484, 84528, 103312, 116226, 142054, 154968, 169056, 206624, 213081, 232452, 284108, 309936, 426162, 464904, 568216, 619872, 639243, 852324, 929808, 1136432, 1278486, 1704648, 1859616, 2272864, 2556972, 3409296, 5113944, 6818592, 10227888, 20455776]

約数ペア:

[(1, 20455776), (2, 10227888), (3, 6818592), (4, 5113944), (6, 3409296), (8, 2556972), (9, 2272864), (11, 1859616), (12, 1704648), (16, 1278486), (18, 1136432), (22, 929808), (24, 852324), (32, 639243), (33, 619872), (36, 568216), (44, 464904), (48, 426162), (66, 309936), (72, 284108), (88, 232452), (96, 213081), (99, 206624), (121, 169056), (132, 154968), (144, 142054), (176, 116226), (198, 103312), (242, 84528), (264, 77484), (288, 71027), (352, 58113), (363, 56352), (396, 51656), (484, 42264), (528, 38742), (587, 34848), (726, 28176), (792, 25828), (968, 21132), (1056, 19371), (1089, 18784), (1174, 17424), (1452, 14088), (1584, 12914), (1761, 11616), (1936, 10566), (2178, 9392), (2348, 8712), (2904, 7044), (3168, 6457), (3522, 5808), (3872, 5283), (4356, 4696)]