20161225216

素因数分解:

$2^9\times {\mathrm{11}}^2\times {\mathrm{421}}^1\times {\mathrm{773}}^1$

素因数の和:1234

約数の個数: 120

約数和(自身を含む): 44440679052

約数和(自身を除く): 24279453836

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 121, 128, 176, 242, 256, 352, 421, 484, 512, 704, 773, 842, 968, 1408, 1546, 1684, 1936, 2816, 3092, 3368, 3872, 4631, 5632, 6184, 6736, 7744, 8503, 9262, 12368, 13472, 15488, 17006, 18524, 24736, 26944, 30976, 34012, 37048, 49472, 50941, 53888, 61952, 68024, 74096, 93533, 98944, 101882, 107776, 136048, 148192, 187066, 197888, 203764, 215552, 272096, 296384, 325433, 374132, 395776, 407528, 544192, 592768, 650866, 748264, 815056, 1088384, 1185536, 1301732, 1496528, 1630112, 2176768, 2371072, 2603464, 2993056, 3260224, 3579763, 4353536, 5206928, 5986112, 6520448, 7159526, 10413856, 11972224, 13040896, 14319052, 20827712, 23944448, 26081792, 28638104, 39377393, 41655424, 47888896, 57276208, 78754786, 83310848, 114552416, 157509572, 166621696, 229104832, 315019144, 458209664, 630038288, 916419328, 1260076576, 1832838656, 2520153152, 5040306304, 10080612608, 20161225216]

約数ペア:

[(1, 20161225216), (2, 10080612608), (4, 5040306304), (8, 2520153152), (11, 1832838656), (16, 1260076576), (22, 916419328), (32, 630038288), (44, 458209664), (64, 315019144), (88, 229104832), (121, 166621696), (128, 157509572), (176, 114552416), (242, 83310848), (256, 78754786), (352, 57276208), (421, 47888896), (484, 41655424), (512, 39377393), (704, 28638104), (773, 26081792), (842, 23944448), (968, 20827712), (1408, 14319052), (1546, 13040896), (1684, 11972224), (1936, 10413856), (2816, 7159526), (3092, 6520448), (3368, 5986112), (3872, 5206928), (4631, 4353536), (5632, 3579763), (6184, 3260224), (6736, 2993056), (7744, 2603464), (8503, 2371072), (9262, 2176768), (12368, 1630112), (13472, 1496528), (15488, 1301732), (17006, 1185536), (18524, 1088384), (24736, 815056), (26944, 748264), (30976, 650866), (34012, 592768), (37048, 544192), (49472, 407528), (50941, 395776), (53888, 374132), (61952, 325433), (68024, 296384), (74096, 272096), (93533, 215552), (98944, 203764), (101882, 197888), (107776, 187066), (136048, 148192)]