20695510

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{4003}}^1$

素因数の和:4068

約数の個数: 32

約数和(自身を含む): 41513472

約数和(自身を除く): 20817962

約数列:

[1, 2, 5, 10, 11, 22, 47, 55, 94, 110, 235, 470, 517, 1034, 2585, 4003, 5170, 8006, 20015, 40030, 44033, 88066, 188141, 220165, 376282, 440330, 940705, 1881410, 2069551, 4139102, 10347755, 20695510]

約数ペア:

[(1, 20695510), (2, 10347755), (5, 4139102), (10, 2069551), (11, 1881410), (22, 940705), (47, 440330), (55, 376282), (94, 220165), (110, 188141), (235, 88066), (470, 44033), (517, 40030), (1034, 20015), (2585, 8006), (4003, 5170)]