20517596

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{631}}^1\times {\mathrm{739}}^1$

素因数の和:1385

約数の個数: 24

約数和(自身を含む): 39285120

約数和(自身を除く): 18767524

約数列:

[1, 2, 4, 11, 22, 44, 631, 739, 1262, 1478, 2524, 2956, 6941, 8129, 13882, 16258, 27764, 32516, 466309, 932618, 1865236, 5129399, 10258798, 20517596]

約数ペア:

[(1, 20517596), (2, 10258798), (4, 5129399), (11, 1865236), (22, 932618), (44, 466309), (631, 32516), (739, 27764), (1262, 16258), (1478, 13882), (2524, 8129), (2956, 6941)]