20942857

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{787}}^1$

素因数の和:912

約数の個数: 16

約数和(自身を含む): 23829120

約数和(自身を除く): 2886263

約数列:

[1, 13, 23, 89, 299, 787, 1157, 2047, 10231, 18101, 26611, 70043, 235313, 910559, 1610989, 20942857]

約数ペア:

[(1, 20942857), (13, 1610989), (23, 910559), (89, 235313), (299, 70043), (787, 26611), (1157, 18101), (2047, 10231)]