20804932463

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{349}}^1\times {\mathrm{479}}^1\times {\mathrm{773}}^1$

素因数の和:1631

約数の個数: 32

約数和(自身を含む): 24966144000

約数和(自身を除く): 4161211537

約数列:

[1, 7, 23, 161, 349, 479, 773, 2443, 3353, 5411, 8027, 11017, 17779, 56189, 77119, 124453, 167171, 269777, 370267, 1170197, 1888439, 2591869, 3844933, 6204871, 8516141, 26914531, 43434097, 59612987, 129223183, 904562281, 2972133209, 20804932463]

約数ペア:

[(1, 20804932463), (7, 2972133209), (23, 904562281), (161, 129223183), (349, 59612987), (479, 43434097), (773, 26914531), (2443, 8516141), (3353, 6204871), (5411, 3844933), (8027, 2591869), (11017, 1888439), (17779, 1170197), (56189, 370267), (77119, 269777), (124453, 167171)]