20705016

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{20063}}^1$

素因数の和:20115

約数の個数: 32

約数和(自身を含む): 52968960

約数和(自身を除く): 32263944

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 258, 344, 516, 1032, 20063, 40126, 60189, 80252, 120378, 160504, 240756, 481512, 862709, 1725418, 2588127, 3450836, 5176254, 6901672, 10352508, 20705016]

約数ペア:

[(1, 20705016), (2, 10352508), (3, 6901672), (4, 5176254), (6, 3450836), (8, 2588127), (12, 1725418), (24, 862709), (43, 481512), (86, 240756), (129, 160504), (172, 120378), (258, 80252), (344, 60189), (516, 40126), (1032, 20063)]