20011576

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{607}}^1$

素因数の和:943

約数の個数: 32

約数和(自身を含む): 40602240

約数和(自身を除く): 20590664

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 317, 607, 634, 1214, 1268, 2428, 2536, 4121, 4856, 7891, 8242, 15782, 16484, 31564, 32968, 63128, 192419, 384838, 769676, 1539352, 2501447, 5002894, 10005788, 20011576]

約数ペア:

[(1, 20011576), (2, 10005788), (4, 5002894), (8, 2501447), (13, 1539352), (26, 769676), (52, 384838), (104, 192419), (317, 63128), (607, 32968), (634, 31564), (1214, 16484), (1268, 15782), (2428, 8242), (2536, 7891), (4121, 4856)]