20724242

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{5851}}^1$

素因数の和:5894

約数の個数: 32

約数和(自身を含む): 40449024

約数和(自身を除く): 19724782

約数列:

[1, 2, 7, 11, 14, 22, 23, 46, 77, 154, 161, 253, 322, 506, 1771, 3542, 5851, 11702, 40957, 64361, 81914, 128722, 134573, 269146, 450527, 901054, 942011, 1480303, 1884022, 2960606, 10362121, 20724242]

約数ペア:

[(1, 20724242), (2, 10362121), (7, 2960606), (11, 1884022), (14, 1480303), (22, 942011), (23, 901054), (46, 450527), (77, 269146), (154, 134573), (161, 128722), (253, 81914), (322, 64361), (506, 40957), (1771, 11702), (3542, 5851)]