20123432

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{18913}}^1$

素因数の和:18945

約数の個数: 32

約数和(自身を含む): 45393600

約数和(自身を除く): 25270168

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 18913, 37826, 75652, 132391, 151304, 264782, 359347, 529564, 718694, 1059128, 1437388, 2515429, 2874776, 5030858, 10061716, 20123432]

約数ペア:

[(1, 20123432), (2, 10061716), (4, 5030858), (7, 2874776), (8, 2515429), (14, 1437388), (19, 1059128), (28, 718694), (38, 529564), (56, 359347), (76, 264782), (133, 151304), (152, 132391), (266, 75652), (532, 37826), (1064, 18913)]