20817951264

素因数分解:

$2^5\times 3^4\times {\mathrm{11}}^2\times {\mathrm{66377}}^1$

素因数の和:66421

約数の個数: 180

約数和(自身を含む): 67297932702

約数和(自身を除く): 46479981438

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 27, 32, 33, 36, 44, 48, 54, 66, 72, 81, 88, 96, 99, 108, 121, 132, 144, 162, 176, 198, 216, 242, 264, 288, 297, 324, 352, 363, 396, 432, 484, 528, 594, 648, 726, 792, 864, 891, 968, 1056, 1089, 1188, 1296, 1452, 1584, 1782, 1936, 2178, 2376, 2592, 2904, 3168, 3267, 3564, 3872, 4356, 4752, 5808, 6534, 7128, 8712, 9504, 9801, 11616, 13068, 14256, 17424, 19602, 26136, 28512, 34848, 39204, 52272, 66377, 78408, 104544, 132754, 156816, 199131, 265508, 313632, 398262, 531016, 597393, 730147, 796524, 1062032, 1194786, 1460294, 1593048, 1792179, 2124064, 2190441, 2389572, 2920588, 3186096, 3584358, 4380882, 4779144, 5376537, 5841176, 6372192, 6571323, 7168716, 8031617, 8761764, 9558288, 10753074, 11682352, 13142646, 14337432, 16063234, 17523528, 19116576, 19713969, 21506148, 23364704, 24094851, 26285292, 28674864, 32126468, 35047056, 39427938, 43012296, 48189702, 52570584, 57349728, 59141907, 64252936, 70094112, 72284553, 78855876, 86024592, 96379404, 105141168, 118283814, 128505872, 144569106, 157711752, 172049184, 192758808, 210282336, 216853659, 236567628, 257011744, 289138212, 315423504, 385517616, 433707318, 473135256, 578276424, 630847008, 650560977, 771035232, 867414636, 946270512, 1156552848, 1301121954, 1734829272, 1892541024, 2313105696, 2602243908, 3469658544, 5204487816, 6939317088, 10408975632, 20817951264]

約数ペア:

[(1, 20817951264), (2, 10408975632), (3, 6939317088), (4, 5204487816), (6, 3469658544), (8, 2602243908), (9, 2313105696), (11, 1892541024), (12, 1734829272), (16, 1301121954), (18, 1156552848), (22, 946270512), (24, 867414636), (27, 771035232), (32, 650560977), (33, 630847008), (36, 578276424), (44, 473135256), (48, 433707318), (54, 385517616), (66, 315423504), (72, 289138212), (81, 257011744), (88, 236567628), (96, 216853659), (99, 210282336), (108, 192758808), (121, 172049184), (132, 157711752), (144, 144569106), (162, 128505872), (176, 118283814), (198, 105141168), (216, 96379404), (242, 86024592), (264, 78855876), (288, 72284553), (297, 70094112), (324, 64252936), (352, 59141907), (363, 57349728), (396, 52570584), (432, 48189702), (484, 43012296), (528, 39427938), (594, 35047056), (648, 32126468), (726, 28674864), (792, 26285292), (864, 24094851), (891, 23364704), (968, 21506148), (1056, 19713969), (1089, 19116576), (1188, 17523528), (1296, 16063234), (1452, 14337432), (1584, 13142646), (1782, 11682352), (1936, 10753074), (2178, 9558288), (2376, 8761764), (2592, 8031617), (2904, 7168716), (3168, 6571323), (3267, 6372192), (3564, 5841176), (3872, 5376537), (4356, 4779144), (4752, 4380882), (5808, 3584358), (6534, 3186096), (7128, 2920588), (8712, 2389572), (9504, 2190441), (9801, 2124064), (11616, 1792179), (13068, 1593048), (14256, 1460294), (17424, 1194786), (19602, 1062032), (26136, 796524), (28512, 730147), (34848, 597393), (39204, 531016), (52272, 398262), (66377, 313632), (78408, 265508), (104544, 199131), (132754, 156816)]