20387268

素因数分解:

$2^2\times 3^3\times {\mathrm{11}}^1\times {\mathrm{131}}^2$

素因数の和:286

約数の個数: 72

約数和(自身を含む): 58104480

約数和(自身を除く): 37717212

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 33, 36, 44, 54, 66, 99, 108, 131, 132, 198, 262, 297, 393, 396, 524, 594, 786, 1179, 1188, 1441, 1572, 2358, 2882, 3537, 4323, 4716, 5764, 7074, 8646, 12969, 14148, 17161, 17292, 25938, 34322, 38907, 51483, 51876, 68644, 77814, 102966, 154449, 155628, 188771, 205932, 308898, 377542, 463347, 566313, 617796, 755084, 926694, 1132626, 1698939, 1853388, 2265252, 3397878, 5096817, 6795756, 10193634, 20387268]

約数ペア:

[(1, 20387268), (2, 10193634), (3, 6795756), (4, 5096817), (6, 3397878), (9, 2265252), (11, 1853388), (12, 1698939), (18, 1132626), (22, 926694), (27, 755084), (33, 617796), (36, 566313), (44, 463347), (54, 377542), (66, 308898), (99, 205932), (108, 188771), (131, 155628), (132, 154449), (198, 102966), (262, 77814), (297, 68644), (393, 51876), (396, 51483), (524, 38907), (594, 34322), (786, 25938), (1179, 17292), (1188, 17161), (1441, 14148), (1572, 12969), (2358, 8646), (2882, 7074), (3537, 5764), (4323, 4716)]