20975542

素因数分解:

$2^1\times 7^1\times {\mathrm{971}}^1\times {\mathrm{1543}}^1$

素因数の和:2523

約数の個数: 16

約数和(自身を含む): 36018432

約数和(自身を除く): 15042890

約数列:

[1, 2, 7, 14, 971, 1543, 1942, 3086, 6797, 10801, 13594, 21602, 1498253, 2996506, 10487771, 20975542]

約数ペア:

[(1, 20975542), (2, 10487771), (7, 2996506), (14, 1498253), (971, 21602), (1543, 13594), (1942, 10801), (3086, 6797)]