20419906

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{34147}}^1$

素因数の和:34185

約数の個数: 16

約数和(自身を含む): 34421184

約数和(自身を除く): 14001278

約数列:

[1, 2, 13, 23, 26, 46, 299, 598, 34147, 68294, 443911, 785381, 887822, 1570762, 10209953, 20419906]

約数ペア:

[(1, 20419906), (2, 10209953), (13, 1570762), (23, 887822), (26, 785381), (46, 443911), (299, 68294), (598, 34147)]