220121648

素因数分解:

$2^4\times {\mathrm{997}}^1\times {\mathrm{13799}}^1$

素因数の和:14804

約数の個数: 20

約数和(自身を含む): 426944400

約数和(自身を除く): 206822752

約数列:

[1, 2, 4, 8, 16, 997, 1994, 3988, 7976, 13799, 15952, 27598, 55196, 110392, 220784, 13757603, 27515206, 55030412, 110060824, 220121648]

約数ペア:

[(1, 220121648), (2, 110060824), (4, 55030412), (8, 27515206), (16, 13757603), (997, 220784), (1994, 110392), (3988, 55196), (7976, 27598), (13799, 15952)]