20470982399

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{386471}}^1$

素因数の和:386555

約数の個数: 24

約数和(自身を含む): 25377297408

約数和(自身を除く): 4906315009

約数列:

[1, 7, 23, 47, 49, 161, 329, 1081, 1127, 2303, 7567, 52969, 386471, 2705297, 8888833, 18164137, 18937079, 62221831, 127148959, 417775151, 435552817, 890042713, 2924426057, 20470982399]

約数ペア:

[(1, 20470982399), (7, 2924426057), (23, 890042713), (47, 435552817), (49, 417775151), (161, 127148959), (329, 62221831), (1081, 18937079), (1127, 18164137), (2303, 8888833), (7567, 2705297), (52969, 386471)]