20807521021

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{3492953}}^1$

素因数の和:3493020

約数の個数: 16

約数和(自身を含む): 25484592384

約数和(自身を除く): 4677071363

約数列:

[1, 7, 23, 37, 161, 259, 851, 5957, 3492953, 24450671, 80337919, 129239261, 562365433, 904674827, 2972503003, 20807521021]

約数ペア:

[(1, 20807521021), (7, 2972503003), (23, 904674827), (37, 562365433), (161, 129239261), (259, 80337919), (851, 24450671), (5957, 3492953)]