20408212

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{463823}}^1$

素因数の和:463838

約数の個数: 12

約数和(自身を含む): 38961216

約数和(自身を除く): 18553004

約数列:

[1, 2, 4, 11, 22, 44, 463823, 927646, 1855292, 5102053, 10204106, 20408212]

約数ペア:

[(1, 20408212), (2, 10204106), (4, 5102053), (11, 1855292), (22, 927646), (44, 463823)]