20157756

素因数分解:

$2^2\times 3^1\times {\mathrm{131}}^1\times {\mathrm{12823}}^1$

素因数の和:12961

約数の個数: 24

約数和(自身を含む): 47397504

約数和(自身を除く): 27239748

約数列:

[1, 2, 3, 4, 6, 12, 131, 262, 393, 524, 786, 1572, 12823, 25646, 38469, 51292, 76938, 153876, 1679813, 3359626, 5039439, 6719252, 10078878, 20157756]

約数ペア:

[(1, 20157756), (2, 10078878), (3, 6719252), (4, 5039439), (6, 3359626), (12, 1679813), (131, 153876), (262, 76938), (393, 51292), (524, 38469), (786, 25646), (1572, 12823)]