20942320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{37397}}^1$

素因数の和:37417

約数の個数: 40

約数和(自身を含む): 55648224

約数和(自身を除く): 34705904

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 37397, 74794, 149588, 186985, 261779, 299176, 373970, 523558, 598352, 747940, 1047116, 1308895, 1495880, 2094232, 2617790, 2991760, 4188464, 5235580, 10471160, 20942320]

約数ペア:

[(1, 20942320), (2, 10471160), (4, 5235580), (5, 4188464), (7, 2991760), (8, 2617790), (10, 2094232), (14, 1495880), (16, 1308895), (20, 1047116), (28, 747940), (35, 598352), (40, 523558), (56, 373970), (70, 299176), (80, 261779), (112, 186985), (140, 149588), (280, 74794), (560, 37397)]