20147692016

素因数分解:

$2^4\times {\mathrm{3119}}^1\times {\mathrm{403729}}^1$

素因数の和:406856

約数の個数: 20

約数和(自身を含む): 39048765600

約数和(自身を除く): 18901073584

約数列:

[1, 2, 4, 8, 16, 3119, 6238, 12476, 24952, 49904, 403729, 807458, 1614916, 3229832, 6459664, 1259230751, 2518461502, 5036923004, 10073846008, 20147692016]

約数ペア:

[(1, 20147692016), (2, 10073846008), (4, 5036923004), (8, 2518461502), (16, 1259230751), (3119, 6459664), (6238, 3229832), (12476, 1614916), (24952, 807458), (49904, 403729)]