20699210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{295703}}^1$

素因数の和:295717

約数の個数: 16

約数和(自身を含む): 42581376

約数和(自身を除く): 21882166

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 295703, 591406, 1478515, 2069921, 2957030, 4139842, 10349605, 20699210]

約数ペア:

[(1, 20699210), (2, 10349605), (5, 4139842), (7, 2957030), (10, 2069921), (14, 1478515), (35, 591406), (70, 295703)]