16820728

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{809}}^1$

素因数の和:951

約数の個数: 32

約数和(自身を含む): 33242400

約数和(自身を除く): 16421672

約数列:

[1, 2, 4, 8, 23, 46, 92, 113, 184, 226, 452, 809, 904, 1618, 2599, 3236, 5198, 6472, 10396, 18607, 20792, 37214, 74428, 91417, 148856, 182834, 365668, 731336, 2102591, 4205182, 8410364, 16820728]

約数ペア:

[(1, 16820728), (2, 8410364), (4, 4205182), (8, 2102591), (23, 731336), (46, 365668), (92, 182834), (113, 148856), (184, 91417), (226, 74428), (452, 37214), (809, 20792), (904, 18607), (1618, 10396), (2599, 6472), (3236, 5198)]