20669068

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{17167}}^1$

素因数の和:17221

約数の個数: 24

約数和(自身を含む): 42301952

約数和(自身を除く): 21632884

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 17167, 34334, 68668, 120169, 240338, 480676, 738181, 1476362, 2952724, 5167267, 10334534, 20669068]

約数ペア:

[(1, 20669068), (2, 10334534), (4, 5167267), (7, 2952724), (14, 1476362), (28, 738181), (43, 480676), (86, 240338), (172, 120169), (301, 68668), (602, 34334), (1204, 17167)]