20221488208

素因数分解:

$2^4\times {\mathrm{1993}}^1\times {\mathrm{634141}}^1$

素因数の和:636142

約数の個数: 20

約数和(自身を含む): 39198853588

約数和(自身を除く): 18977365380

約数列:

[1, 2, 4, 8, 16, 1993, 3986, 7972, 15944, 31888, 634141, 1268282, 2536564, 5073128, 10146256, 1263843013, 2527686026, 5055372052, 10110744104, 20221488208]

約数ペア:

[(1, 20221488208), (2, 10110744104), (4, 5055372052), (8, 2527686026), (16, 1263843013), (1993, 10146256), (3986, 5073128), (7972, 2536564), (15944, 1268282), (31888, 634141)]