20871576

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{73}}^1$

素因数の和:134

約数の個数: 144

約数和(自身を含む): 65973960

約数和(自身を除く): 45102384

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 19, 22, 24, 33, 36, 38, 44, 57, 66, 72, 73, 76, 88, 99, 114, 132, 146, 152, 171, 198, 209, 219, 228, 264, 292, 342, 361, 396, 418, 438, 456, 584, 627, 657, 684, 722, 792, 803, 836, 876, 1083, 1254, 1314, 1368, 1387, 1444, 1606, 1672, 1752, 1881, 2166, 2409, 2508, 2628, 2774, 2888, 3212, 3249, 3762, 3971, 4161, 4332, 4818, 5016, 5256, 5548, 6424, 6498, 7227, 7524, 7942, 8322, 8664, 9636, 11096, 11913, 12483, 12996, 14454, 15048, 15257, 15884, 16644, 19272, 23826, 24966, 25992, 26353, 28908, 30514, 31768, 33288, 35739, 45771, 47652, 49932, 52706, 57816, 61028, 71478, 79059, 91542, 95304, 99864, 105412, 122056, 137313, 142956, 158118, 183084, 210824, 237177, 274626, 285912, 289883, 316236, 366168, 474354, 549252, 579766, 632472, 869649, 948708, 1098504, 1159532, 1739298, 1897416, 2319064, 2608947, 3478596, 5217894, 6957192, 10435788, 20871576]

約数ペア:

[(1, 20871576), (2, 10435788), (3, 6957192), (4, 5217894), (6, 3478596), (8, 2608947), (9, 2319064), (11, 1897416), (12, 1739298), (18, 1159532), (19, 1098504), (22, 948708), (24, 869649), (33, 632472), (36, 579766), (38, 549252), (44, 474354), (57, 366168), (66, 316236), (72, 289883), (73, 285912), (76, 274626), (88, 237177), (99, 210824), (114, 183084), (132, 158118), (146, 142956), (152, 137313), (171, 122056), (198, 105412), (209, 99864), (219, 95304), (228, 91542), (264, 79059), (292, 71478), (342, 61028), (361, 57816), (396, 52706), (418, 49932), (438, 47652), (456, 45771), (584, 35739), (627, 33288), (657, 31768), (684, 30514), (722, 28908), (792, 26353), (803, 25992), (836, 24966), (876, 23826), (1083, 19272), (1254, 16644), (1314, 15884), (1368, 15257), (1387, 15048), (1444, 14454), (1606, 12996), (1672, 12483), (1752, 11913), (1881, 11096), (2166, 9636), (2409, 8664), (2508, 8322), (2628, 7942), (2774, 7524), (2888, 7227), (3212, 6498), (3249, 6424), (3762, 5548), (3971, 5256), (4161, 5016), (4332, 4818)]