20127756

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{1097}}^1$

素因数の和:1254

約数の個数: 48

約数和(自身を含む): 51649920

約数和(自身を除く): 31522164

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 139, 278, 417, 556, 834, 1097, 1529, 1668, 2194, 3058, 3291, 4388, 4587, 6116, 6582, 9174, 12067, 13164, 18348, 24134, 36201, 48268, 72402, 144804, 152483, 304966, 457449, 609932, 914898, 1677313, 1829796, 3354626, 5031939, 6709252, 10063878, 20127756]

約数ペア:

[(1, 20127756), (2, 10063878), (3, 6709252), (4, 5031939), (6, 3354626), (11, 1829796), (12, 1677313), (22, 914898), (33, 609932), (44, 457449), (66, 304966), (132, 152483), (139, 144804), (278, 72402), (417, 48268), (556, 36201), (834, 24134), (1097, 18348), (1529, 13164), (1668, 12067), (2194, 9174), (3058, 6582), (3291, 6116), (4388, 4587)]