20533964

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{12613}}^1$

素因数の和:12665

約数の個数: 24

約数和(自身を含む): 40263888

約数和(自身を除く): 19729924

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 148, 407, 814, 1628, 12613, 25226, 50452, 138743, 277486, 466681, 554972, 933362, 1866724, 5133491, 10266982, 20533964]

約数ペア:

[(1, 20533964), (2, 10266982), (4, 5133491), (11, 1866724), (22, 933362), (37, 554972), (44, 466681), (74, 277486), (148, 138743), (407, 50452), (814, 25226), (1628, 12613)]