20120778545

素因数分解:

$5^1\times 7^1\times {\mathrm{11393}}^1\times {\mathrm{50459}}^1$

素因数の和:61864

約数の個数: 16

約数和(自身を含む): 27597179520

約数和(自身を除く): 7476400975

約数列:

[1, 5, 7, 35, 11393, 50459, 56965, 79751, 252295, 353213, 398755, 1766065, 574879387, 2874396935, 4024155709, 20120778545]

約数ペア:

[(1, 20120778545), (5, 4024155709), (7, 2874396935), (35, 574879387), (11393, 1766065), (50459, 398755), (56965, 353213), (79751, 252295)]