20993210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{299903}}^1$

素因数の和:299917

約数の個数: 16

約数和(自身を含む): 43186176

約数和(自身を除く): 22192966

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 299903, 599806, 1499515, 2099321, 2999030, 4198642, 10496605, 20993210]

約数ペア:

[(1, 20993210), (2, 10496605), (5, 4198642), (7, 2999030), (10, 2099321), (14, 1499515), (35, 599806), (70, 299903)]