20731891

素因数分解:

${\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{359}}^1$

素因数の和:498

約数の個数: 16

約数和(自身を含む): 22809600

約数和(自身を除く): 2077709

約数列:

[1, 17, 43, 79, 359, 731, 1343, 3397, 6103, 15437, 28361, 57749, 262429, 482137, 1219523, 20731891]

約数ペア:

[(1, 20731891), (17, 1219523), (43, 482137), (79, 262429), (359, 57749), (731, 28361), (1343, 15437), (3397, 6103)]