20604464

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{16301}}^1$

素因数の和:16388

約数の個数: 20

約数和(自身を含む): 40428960

約数和(自身を除く): 19824496

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 16301, 32602, 65204, 130408, 260816, 1287779, 2575558, 5151116, 10302232, 20604464]

約数ペア:

[(1, 20604464), (2, 10302232), (4, 5151116), (8, 2575558), (16, 1287779), (79, 260816), (158, 130408), (316, 65204), (632, 32602), (1264, 16301)]