20188759990

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{41201551}}^1$

素因数の和:41201572

約数の個数: 24

約数和(自身を含む): 42272792352

約数和(自身を除く): 22084032362

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 41201551, 82403102, 206007755, 288410857, 412015510, 576821714, 1442054285, 2018875999, 2884108570, 4037751998, 10094379995, 20188759990]

約数ペア:

[(1, 20188759990), (2, 10094379995), (5, 4037751998), (7, 2884108570), (10, 2018875999), (14, 1442054285), (35, 576821714), (49, 412015510), (70, 288410857), (98, 206007755), (245, 82403102), (490, 41201551)]