20397230

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{41627}}^1$

素因数の和:41648

約数の個数: 24

約数和(自身を含む): 42710328

約数和(自身を除く): 22313098

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 41627, 83254, 208135, 291389, 416270, 582778, 1456945, 2039723, 2913890, 4079446, 10198615, 20397230]

約数ペア:

[(1, 20397230), (2, 10198615), (5, 4079446), (7, 2913890), (10, 2039723), (14, 1456945), (35, 582778), (49, 416270), (70, 291389), (98, 208135), (245, 83254), (490, 41627)]