20123621878

素因数分解:

$2^1\times {\mathrm{431}}^1\times {\mathrm{941}}^1\times {\mathrm{24809}}^1$

素因数の和:26183

約数の個数: 16

約数和(自身を含む): 30288841920

約数和(自身を除く): 10165220042

約数列:

[1, 2, 431, 862, 941, 1882, 24809, 49618, 405571, 811142, 10692679, 21385358, 23345269, 46690538, 10061810939, 20123621878]

約数ペア:

[(1, 20123621878), (2, 10061810939), (431, 46690538), (862, 23345269), (941, 21385358), (1882, 10692679), (24809, 811142), (49618, 405571)]