20649230

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{294989}}^1$

素因数の和:295003

約数の個数: 16

約数和(自身を含む): 42478560

約数和(自身を除く): 21829330

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 294989, 589978, 1474945, 2064923, 2949890, 4129846, 10324615, 20649230]

約数ペア:

[(1, 20649230), (2, 10324615), (5, 4129846), (7, 2949890), (10, 2064923), (14, 1474945), (35, 589978), (70, 294989)]