20109978

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{53201}}^1$

素因数の和:53219

約数の個数: 32

約数和(自身を含む): 51073920

約数和(自身を除く): 30963942

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 53201, 106402, 159603, 319206, 372407, 478809, 744814, 957618, 1117221, 1436427, 2234442, 2872854, 3351663, 6703326, 10054989, 20109978]

約数ペア:

[(1, 20109978), (2, 10054989), (3, 6703326), (6, 3351663), (7, 2872854), (9, 2234442), (14, 1436427), (18, 1117221), (21, 957618), (27, 744814), (42, 478809), (54, 372407), (63, 319206), (126, 159603), (189, 106402), (378, 53201)]