20161478

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{401}}^1\times {\mathrm{1093}}^1$

素因数の和:1519

約数の個数: 16

約数和(自身を含む): 31664736

約数和(自身を除く): 11503258

約数列:

[1, 2, 23, 46, 401, 802, 1093, 2186, 9223, 18446, 25139, 50278, 438293, 876586, 10080739, 20161478]

約数ペア:

[(1, 20161478), (2, 10080739), (23, 876586), (46, 438293), (401, 50278), (802, 25139), (1093, 18446), (2186, 9223)]