20155142

素因数分解:

$2^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{6823}}^1$

素因数の和:7043

約数の個数: 16

約数和(自身を含む): 34720512

約数和(自身を除く): 14565370

約数列:

[1, 2, 7, 14, 211, 422, 1477, 2954, 6823, 13646, 47761, 95522, 1439653, 2879306, 10077571, 20155142]

約数ペア:

[(1, 20155142), (2, 10077571), (7, 2879306), (14, 1439653), (211, 95522), (422, 47761), (1477, 13646), (2954, 6823)]