20402575298

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{39387211}}^1$

素因数の和:39387257

約数の個数: 16

約数和(自身を含む): 35921137344

約数和(自身を除く): 15518562046

約数列:

[1, 2, 7, 14, 37, 74, 259, 518, 39387211, 78774422, 275710477, 551420954, 1457326807, 2914653614, 10201287649, 20402575298]

約数ペア:

[(1, 20402575298), (2, 10201287649), (7, 2914653614), (14, 1457326807), (37, 551420954), (74, 275710477), (259, 78774422), (518, 39387211)]