20968112

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{1093}}^1$

素因数の和:1221

約数の個数: 40

約数和(自身を含む): 44766480

約数和(自身を除く): 23798368

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 109, 176, 218, 436, 872, 1093, 1199, 1744, 2186, 2398, 4372, 4796, 8744, 9592, 12023, 17488, 19184, 24046, 48092, 96184, 119137, 192368, 238274, 476548, 953096, 1310507, 1906192, 2621014, 5242028, 10484056, 20968112]

約数ペア:

[(1, 20968112), (2, 10484056), (4, 5242028), (8, 2621014), (11, 1906192), (16, 1310507), (22, 953096), (44, 476548), (88, 238274), (109, 192368), (176, 119137), (218, 96184), (436, 48092), (872, 24046), (1093, 19184), (1199, 17488), (1744, 12023), (2186, 9592), (2398, 8744), (4372, 4796)]