20282773

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{619}}^1$

素因数の和:808

約数の個数: 16

約数和(自身を含む): 24125440

約数和(自身を除く): 3842667

約数列:

[1, 7, 31, 151, 217, 619, 1057, 4333, 4681, 19189, 32767, 93469, 134323, 654283, 2897539, 20282773]

約数ペア:

[(1, 20282773), (7, 2897539), (31, 654283), (151, 134323), (217, 93469), (619, 32767), (1057, 19189), (4333, 4681)]