20888901

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1153}}^1$

素因数の和:1234

約数の個数: 32

約数和(自身を含む): 34343040

約数和(自身を除く): 13454139

約数列:

[1, 3, 9, 11, 27, 33, 61, 99, 183, 297, 549, 671, 1153, 1647, 2013, 3459, 6039, 10377, 12683, 18117, 31131, 38049, 70333, 114147, 210999, 342441, 632997, 773663, 1898991, 2320989, 6962967, 20888901]

約数ペア:

[(1, 20888901), (3, 6962967), (9, 2320989), (11, 1898991), (27, 773663), (33, 632997), (61, 342441), (99, 210999), (183, 114147), (297, 70333), (549, 38049), (671, 31131), (1153, 18117), (1647, 12683), (2013, 10377), (3459, 6039)]