20988924

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{5483}}^1$

素因数の和:5530

約数の個数: 48

約数和(自身を含む): 55278720

約数和(自身を除く): 34289796

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 29, 33, 44, 58, 66, 87, 116, 132, 174, 319, 348, 638, 957, 1276, 1914, 3828, 5483, 10966, 16449, 21932, 32898, 60313, 65796, 120626, 159007, 180939, 241252, 318014, 361878, 477021, 636028, 723756, 954042, 1749077, 1908084, 3498154, 5247231, 6996308, 10494462, 20988924]

約数ペア:

[(1, 20988924), (2, 10494462), (3, 6996308), (4, 5247231), (6, 3498154), (11, 1908084), (12, 1749077), (22, 954042), (29, 723756), (33, 636028), (44, 477021), (58, 361878), (66, 318014), (87, 241252), (116, 180939), (132, 159007), (174, 120626), (319, 65796), (348, 60313), (638, 32898), (957, 21932), (1276, 16449), (1914, 10966), (3828, 5483)]