20801830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{297169}}^1$

素因数の和:297183

約数の個数: 16

約数和(自身を含む): 42792480

約数和(自身を除く): 21990650

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 297169, 594338, 1485845, 2080183, 2971690, 4160366, 10400915, 20801830]

約数ペア:

[(1, 20801830), (2, 10400915), (5, 4160366), (7, 2971690), (10, 2080183), (14, 1485845), (35, 594338), (70, 297169)]