27765020

素因数分解:

$2^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{3221}}^1$

素因数の和:3661

約数の個数: 24

約数和(自身を含む): 58459968

約数和(自身を除く): 30694948

約数列:

[1, 2, 4, 5, 10, 20, 431, 862, 1724, 2155, 3221, 4310, 6442, 8620, 12884, 16105, 32210, 64420, 1388251, 2776502, 5553004, 6941255, 13882510, 27765020]

約数ペア:

[(1, 27765020), (2, 13882510), (4, 6941255), (5, 5553004), (10, 2776502), (20, 1388251), (431, 64420), (862, 32210), (1724, 16105), (2155, 12884), (3221, 8620), (4310, 6442)]