20480852

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{2531}}^1$

素因数の和:2576

約数の個数: 36

約数和(自身を含む): 43530144

約数和(自身を除く): 23049292

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 289, 476, 578, 1156, 2023, 2531, 4046, 5062, 8092, 10124, 17717, 35434, 43027, 70868, 86054, 172108, 301189, 602378, 731459, 1204756, 1462918, 2925836, 5120213, 10240426, 20480852]

約数ペア:

[(1, 20480852), (2, 10240426), (4, 5120213), (7, 2925836), (14, 1462918), (17, 1204756), (28, 731459), (34, 602378), (68, 301189), (119, 172108), (238, 86054), (289, 70868), (476, 43027), (578, 35434), (1156, 17717), (2023, 10124), (2531, 8092), (4046, 5062)]