20689888

素因数分解:

$2^5\times {\mathrm{359}}^1\times {\mathrm{1801}}^1$

素因数の和:2170

約数の個数: 24

約数和(自身を含む): 40869360

約数和(自身を除く): 20179472

約数列:

[1, 2, 4, 8, 16, 32, 359, 718, 1436, 1801, 2872, 3602, 5744, 7204, 11488, 14408, 28816, 57632, 646559, 1293118, 2586236, 5172472, 10344944, 20689888]

約数ペア:

[(1, 20689888), (2, 10344944), (4, 5172472), (8, 2586236), (16, 1293118), (32, 646559), (359, 57632), (718, 28816), (1436, 14408), (1801, 11488), (2872, 7204), (3602, 5744)]