20994134

素因数分解:

$2^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{9931}}^1$

素因数の和:10091

約数の個数: 16

約数和(自身を含む): 36231936

約数和(自身を除く): 15237802

約数列:

[1, 2, 7, 14, 151, 302, 1057, 2114, 9931, 19862, 69517, 139034, 1499581, 2999162, 10497067, 20994134]

約数ペア:

[(1, 20994134), (2, 10497067), (7, 2999162), (14, 1499581), (151, 139034), (302, 69517), (1057, 19862), (2114, 9931)]