20088453

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1$

素因数の和:262

約数の個数: 64

約数和(自身を含む): 36864000

約数和(自身を除く): 16775547

約数列:

[1, 3, 7, 11, 19, 21, 23, 33, 57, 69, 77, 133, 161, 199, 209, 231, 253, 399, 437, 483, 597, 627, 759, 1311, 1393, 1463, 1771, 2189, 3059, 3781, 4179, 4389, 4577, 4807, 5313, 6567, 9177, 11343, 13731, 14421, 15323, 26467, 32039, 33649, 41591, 45969, 50347, 79401, 86963, 96117, 100947, 124773, 151041, 260889, 291137, 352429, 608741, 873411, 956593, 1057287, 1826223, 2869779, 6696151, 20088453]

約数ペア:

[(1, 20088453), (3, 6696151), (7, 2869779), (11, 1826223), (19, 1057287), (21, 956593), (23, 873411), (33, 608741), (57, 352429), (69, 291137), (77, 260889), (133, 151041), (161, 124773), (199, 100947), (209, 96117), (231, 86963), (253, 79401), (399, 50347), (437, 45969), (483, 41591), (597, 33649), (627, 32039), (759, 26467), (1311, 15323), (1393, 14421), (1463, 13731), (1771, 11343), (2189, 9177), (3059, 6567), (3781, 5313), (4179, 4807), (4389, 4577)]