20402575305

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{509}}^1\times {\mathrm{381749}}^1$

素因数の和:382273

約数の個数: 32

約数和(自身を含む): 37380960000

約数和(自身を除く): 16978384695

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 509, 1527, 2545, 3563, 7635, 10689, 17815, 53445, 381749, 1145247, 1908745, 2672243, 5726235, 8016729, 13361215, 40083645, 194310241, 582930723, 971551205, 1360171687, 2914653615, 4080515061, 6800858435, 20402575305]

約数ペア:

[(1, 20402575305), (3, 6800858435), (5, 4080515061), (7, 2914653615), (15, 1360171687), (21, 971551205), (35, 582930723), (105, 194310241), (509, 40083645), (1527, 13361215), (2545, 8016729), (3563, 5726235), (7635, 2672243), (10689, 1908745), (17815, 1145247), (53445, 381749)]