200019905

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{11839}}^1$

素因数の和:11984

約数の個数: 16

約数和(自身を含む): 250060800

約数和(自身を除く): 50040895

約数列:

[1, 5, 31, 109, 155, 545, 3379, 11839, 16895, 59195, 367009, 1290451, 1835045, 6452255, 40003981, 200019905]

約数ペア:

[(1, 200019905), (5, 40003981), (31, 6452255), (109, 1835045), (155, 1290451), (545, 367009), (3379, 59195), (11839, 16895)]