20990772

素因数分解:

$2^2\times 3^3\times {\mathrm{11}}^1\times {\mathrm{17669}}^1$

素因数の和:17693

約数の個数: 48

約数和(自身を含む): 59371200

約数和(自身を除く): 38380428

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 33, 36, 44, 54, 66, 99, 108, 132, 198, 297, 396, 594, 1188, 17669, 35338, 53007, 70676, 106014, 159021, 194359, 212028, 318042, 388718, 477063, 583077, 636084, 777436, 954126, 1166154, 1749231, 1908252, 2332308, 3498462, 5247693, 6996924, 10495386, 20990772]

約数ペア:

[(1, 20990772), (2, 10495386), (3, 6996924), (4, 5247693), (6, 3498462), (9, 2332308), (11, 1908252), (12, 1749231), (18, 1166154), (22, 954126), (27, 777436), (33, 636084), (36, 583077), (44, 477063), (54, 388718), (66, 318042), (99, 212028), (108, 194359), (132, 159021), (198, 106014), (297, 70676), (396, 53007), (594, 35338), (1188, 17669)]