20139812

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2843}}^1$

素因数の和:2888

約数の個数: 48

約数和(自身を含む): 45868032

約数和(自身を除く): 25728220

約数列:

[1, 2, 4, 7, 11, 14, 22, 23, 28, 44, 46, 77, 92, 154, 161, 253, 308, 322, 506, 644, 1012, 1771, 2843, 3542, 5686, 7084, 11372, 19901, 31273, 39802, 62546, 65389, 79604, 125092, 130778, 218911, 261556, 437822, 457723, 719279, 875644, 915446, 1438558, 1830892, 2877116, 5034953, 10069906, 20139812]

約数ペア:

[(1, 20139812), (2, 10069906), (4, 5034953), (7, 2877116), (11, 1830892), (14, 1438558), (22, 915446), (23, 875644), (28, 719279), (44, 457723), (46, 437822), (77, 261556), (92, 218911), (154, 130778), (161, 125092), (253, 79604), (308, 65389), (322, 62546), (506, 39802), (644, 31273), (1012, 19901), (1771, 11372), (2843, 7084), (3542, 5686)]