20658795

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{419}}^1$

素因数の和:619

約数の個数: 32

約数和(自身を含む): 35078400

約数和(自身を除く): 14419605

約数列:

[1, 3, 5, 15, 19, 57, 95, 173, 285, 419, 519, 865, 1257, 2095, 2595, 3287, 6285, 7961, 9861, 16435, 23883, 39805, 49305, 72487, 119415, 217461, 362435, 1087305, 1377253, 4131759, 6886265, 20658795]

約数ペア:

[(1, 20658795), (3, 6886265), (5, 4131759), (15, 1377253), (19, 1087305), (57, 362435), (95, 217461), (173, 119415), (285, 72487), (419, 49305), (519, 39805), (865, 23883), (1257, 16435), (2095, 9861), (2595, 7961), (3287, 6285)]