20691123

素因数分解:

$3^1\times {\mathrm{29}}^2\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:259

約数の個数: 24

約数和(自身を含む): 29265600

約数和(自身を除く): 8574477

約数列:

[1, 3, 29, 59, 87, 139, 177, 417, 841, 1711, 2523, 4031, 5133, 8201, 12093, 24603, 49619, 116899, 148857, 237829, 350697, 713487, 6897041, 20691123]

約数ペア:

[(1, 20691123), (3, 6897041), (29, 713487), (59, 350697), (87, 237829), (139, 148857), (177, 116899), (417, 49619), (841, 24603), (1711, 12093), (2523, 8201), (4031, 5133)]