20449548

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4271}}^1$

素因数の和:4307

約数の個数: 72

約数和(自身を含む): 62200320

約数和(自身を除く): 41750772

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, 228, 252, 266, 342, 399, 532, 684, 798, 1197, 1596, 2394, 4271, 4788, 8542, 12813, 17084, 25626, 29897, 38439, 51252, 59794, 76878, 81149, 89691, 119588, 153756, 162298, 179382, 243447, 269073, 324596, 358764, 486894, 538146, 568043, 730341, 973788, 1076292, 1136086, 1460682, 1704129, 2272172, 2921364, 3408258, 5112387, 6816516, 10224774, 20449548]

約数ペア:

[(1, 20449548), (2, 10224774), (3, 6816516), (4, 5112387), (6, 3408258), (7, 2921364), (9, 2272172), (12, 1704129), (14, 1460682), (18, 1136086), (19, 1076292), (21, 973788), (28, 730341), (36, 568043), (38, 538146), (42, 486894), (57, 358764), (63, 324596), (76, 269073), (84, 243447), (114, 179382), (126, 162298), (133, 153756), (171, 119588), (228, 89691), (252, 81149), (266, 76878), (342, 59794), (399, 51252), (532, 38439), (684, 29897), (798, 25626), (1197, 17084), (1596, 12813), (2394, 8542), (4271, 4788)]