20345667

素因数分解:

$3^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1\times {\mathrm{421}}^1$

素因数の和:694

約数の個数: 16

約数和(自身を含む): 27649440

約数和(自身を除く): 7303773

約数列:

[1, 3, 89, 181, 267, 421, 543, 1263, 16109, 37469, 48327, 76201, 112407, 228603, 6781889, 20345667]

約数ペア:

[(1, 20345667), (3, 6781889), (89, 228603), (181, 112407), (267, 76201), (421, 48327), (543, 37469), (1263, 16109)]