20154202678

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{5438263}}^1$

素因数の和:5438391

約数の個数: 16

約数和(自身を含む): 32303288160

約数和(自身を除く): 12149085482

約数列:

[1, 2, 17, 34, 109, 218, 1853, 3706, 5438263, 10876526, 92450471, 184900942, 592770667, 1185541334, 10077101339, 20154202678]

約数ペア:

[(1, 20154202678), (2, 10077101339), (17, 1185541334), (34, 592770667), (109, 184900942), (218, 92450471), (1853, 10876526), (3706, 5438263)]