20458712

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{59473}}^1$

素因数の和:59522

約数の個数: 16

約数和(自身を含む): 39252840

約数和(自身を除く): 18794128

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 59473, 118946, 237892, 475784, 2557339, 5114678, 10229356, 20458712]

約数ペア:

[(1, 20458712), (2, 10229356), (4, 5114678), (8, 2557339), (43, 475784), (86, 237892), (172, 118946), (344, 59473)]