20650644

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{227}}^1$

素因数の和:282

約数の個数: 108

約数和(自身を含む): 63239904

約数和(自身を除く): 42589260

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 57, 63, 76, 84, 114, 126, 133, 171, 227, 228, 252, 266, 342, 361, 399, 454, 532, 681, 684, 722, 798, 908, 1083, 1197, 1362, 1444, 1589, 1596, 2043, 2166, 2394, 2527, 2724, 3178, 3249, 4086, 4313, 4332, 4767, 4788, 5054, 6356, 6498, 7581, 8172, 8626, 9534, 10108, 12939, 12996, 14301, 15162, 17252, 19068, 22743, 25878, 28602, 30191, 30324, 38817, 45486, 51756, 57204, 60382, 77634, 81947, 90573, 90972, 120764, 155268, 163894, 181146, 245841, 271719, 327788, 362292, 491682, 543438, 573629, 737523, 983364, 1086876, 1147258, 1475046, 1720887, 2294516, 2950092, 3441774, 5162661, 6883548, 10325322, 20650644]

約数ペア:

[(1, 20650644), (2, 10325322), (3, 6883548), (4, 5162661), (6, 3441774), (7, 2950092), (9, 2294516), (12, 1720887), (14, 1475046), (18, 1147258), (19, 1086876), (21, 983364), (28, 737523), (36, 573629), (38, 543438), (42, 491682), (57, 362292), (63, 327788), (76, 271719), (84, 245841), (114, 181146), (126, 163894), (133, 155268), (171, 120764), (227, 90972), (228, 90573), (252, 81947), (266, 77634), (342, 60382), (361, 57204), (399, 51756), (454, 45486), (532, 38817), (681, 30324), (684, 30191), (722, 28602), (798, 25878), (908, 22743), (1083, 19068), (1197, 17252), (1362, 15162), (1444, 14301), (1589, 12996), (1596, 12939), (2043, 10108), (2166, 9534), (2394, 8626), (2527, 8172), (2724, 7581), (3178, 6498), (3249, 6356), (4086, 5054), (4313, 4788), (4332, 4767)]