20372199

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{419}}^1\times {\mathrm{853}}^1$

素因数の和:1294

約数の個数: 16

約数和(自身を含む): 28694400

約数和(自身を除く): 8322201

約数列:

[1, 3, 19, 57, 419, 853, 1257, 2559, 7961, 16207, 23883, 48621, 357407, 1072221, 6790733, 20372199]

約数ペア:

[(1, 20372199), (3, 6790733), (19, 1072221), (57, 357407), (419, 48621), (853, 23883), (1257, 16207), (2559, 7961)]