20637406

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1\times {\mathrm{691}}^1$

素因数の和:939

約数の個数: 16

約数和(自身を含む): 31513680

約数和(自身を除く): 10876274

約数列:

[1, 2, 109, 137, 218, 274, 691, 1382, 14933, 29866, 75319, 94667, 150638, 189334, 10318703, 20637406]

約数ペア:

[(1, 20637406), (2, 10318703), (109, 189334), (137, 150638), (218, 94667), (274, 75319), (691, 29866), (1382, 14933)]