20995278

素因数分解:

$2^1\times 3^1\times {\mathrm{89}}^1\times {\mathrm{39317}}^1$

素因数の和:39411

約数の個数: 16

約数和(自身を含む): 42463440

約数和(自身を除く): 21468162

約数列:

[1, 2, 3, 6, 89, 178, 267, 534, 39317, 78634, 117951, 235902, 3499213, 6998426, 10497639, 20995278]

約数ペア:

[(1, 20995278), (2, 10497639), (3, 6998426), (6, 3499213), (89, 235902), (178, 117951), (267, 78634), (534, 39317)]