20155081

素因数分解:

${\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:348

約数の個数: 16

約数和(自身を含む): 21978000

約数和(自身を除く): 1822919

約数列:

[1, 17, 73, 109, 149, 1241, 1853, 2533, 7957, 10877, 16241, 135269, 184909, 276097, 1185593, 20155081]

約数ペア:

[(1, 20155081), (17, 1185593), (73, 276097), (109, 184909), (149, 135269), (1241, 16241), (1853, 10877), (2533, 7957)]